Probleme mit Bibliographie und Umbrüchen

\documentclass[
	headings=optiontotocandhead,% Erweiterung für das optionale Argument der
								% Gliederungsbefehle aktiviert.
	oneside,% Das ist übrigens die Voreinstellung!
	numbers=noenddot,% Keine Punkte am Ende der Gliederungsnummern und davon
					 % abgeleiteten Nummern
	toc=flat, %Flache TOC
	12pt, % Schriftgröße 
	titlepage, % es wird eine Titelseite verwendet 
	parskip=full, % Abstand zwischen Absätzen (ganze Zeile) 
	listof=totoc, % Verzeichnisse im Inhaltsverzeichnis aufführen 
	%^enlargefirstpage,% Gibt es bei scrartcl nicht!!!!
	bibliography=totoc, % Literaturverzeichnis im Inhaltsverzeichnis aufführen 
	%index=totoc, % Index im Inhaltsverzeichnis aufführen 
	%captions=tableheading, % Beschriftung von Tabellen für Ausgabe oberhalb
							% der Tabelle formatieren 
	draft % Status des Dokuments (final/draft) draft hinzufügen zum anziegen 
	%%der zeilen ende
]{scrreprt}
 
 
%%%%%% Packages & Stuff %%%%%
% % % % used packages % % % % 
\usepackage[utf8]{inputenc} % encode as UTF-8
\usepackage[english,main=ngerman]{babel} % use English and German languages,
% Hauptsprache ist Deutsch
\usepackage[left=2.5cm,right=2.5cm, top=2cm, bottom=2cm, footskip=1.2cm]{geometry}
\usepackage[hyphens]{url} % breaks urls at hypens and loaded before hyperref
\usepackage[bookmarks=true, german]{hyperref} %clickable links and urls and needs url-package
 
%%%% scrlayer-scrpage Report-Settings %%%%
\usepackage[automark,headsepline,footsepline,plainfootsepline]{scrlayer-scrpage}
%\automark[chapter]{chapter}
%\automark[chapter]{section}
\renewcommand*{\partmark}[1]{}
\setkomafont{pageheadfoot}{\normalcolor\footnotesize\scshape}
\setkomafont{pagenumber}{\normalfont\normalsize}
\clearpairofpagestyles
\ihead{\headmark}
\ohead{\pagemark}
\ifoot*{\authorname}
\ofoot*{\normalsize\versiondate}
\ModifyLayer[addvoffset=-.6ex]{scrheadings.foot.above.line}% Linie verschieben
\ModifyLayer[addvoffset=-.6ex]{plain.scrheadings.foot.above.line}% Linie verschieben
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
%%%%%% Bibliography Settings %%%%%
%Biber/BibLaTeX
%In Texstudio: Options > Configure TeXStudio > Build > Default Bibliography > Biber
%Make -> Bibliography -> Make
%Steps for automated processing: LaTeX Biber LaTeX LaTeX
%Requires url-packages
\usepackage{csquotes}% Recommended
\usepackage[style=numeric,backend=biber,natbib=true,sortlocale=de_DE,sorting=none]{biblatex}
\renewcaptionname{ngerman}\refname{Quellenverzeichnis}
\makeatletter
\providecommand*{\texorpdfstring}[2]{#1}% besser erst nach hyperref, falls
% hyperref geladen wird; geht derzeit aber
% auch umgekehrt
\newcommand\@invisibleroman[1]{%
	\texorpdfstring{}{\@roman{#1}}%
}
\makeatother
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
\hypersetup{pdfborder={0 0 0}} % needs hyperref-package
\usepackage{comment}
\usepackage{multirow}
\usepackage{tocbasic}
\usepackage{rotfloat}
\usepackage{tabularx}
\usepackage{selinput}
\usepackage{listings}
\usepackage{lmodern}
\usepackage{paralist}
\usepackage{array}
\usepackage{float}
\usepackage[T1]{fontenc}
\usepackage{diagbox}
\usepackage{paralist}
\usepackage{graphicx}
\usepackage{caption}
\usepackage{subcaption}
\usepackage{amssymb}
\usepackage[printonlyused]{acronym}
\usepackage{pdfpages} % include pdfs directly into tex
\usepackage[section]{placeins}
\usepackage{color}
\usepackage{xcolor}
\usepackage{lipsum}
\usepackage{lstlinebgrd}
\usepackage{pgfplots,pgfplotstable}
\pgfplotsset{compat=1.13}
\usepackage{multicol}
\usepackage[notlof,notlot,nottoc]{tocbibind}
\usepackage{footnote} % footnotes in tables
\usepackage{scrhack} % compatibility to hyperref, float, floatrow, listings, setspace, lscape
\usepackage[babel=true]{microtype} % enhancing the appearance and readability of a document while exhibiting a minimum degree of visual obtrusion
%\usepackage{easylist} % for easier lists and indentations using a simple symbol (look up readme)
 
% % % % defined commands % % % % 
\renewcommand{\arraystretch}{1.5}% Du weißt was Du damit machst?
\newcommand{\versiondate}{\today}
\newcommand{\firstAuthor}{IAm TheAuthor}
\newcommand{\shortAuthors}{I. TheAuthor}
\newcommand{\authorname}{\firstAuthor}
\newcommand{\topiclong}{Thisismytopi cof ofmythesisandsome mo restufffory outor read-forthethankyou}
\newcommand{\topicshort}{Thankyouverymuchi na dvanc efor-helpingmehere!}
\newcommand{\unterschriftenfeld}[2]{%
	\parbox{\textwidth}{
		\centering #1, \versiondate\\
		\vspace{2cm}
 
		\parbox{6cm}{
			\centering
			\rule{6cm}{1pt}\\
			#2 
		}
		\hfill
	}
}
%\newcommand{\unterschriftenfelder}[4]{%
%	\parbox{\textwidth}{
%		\centering #1, \versiondate\\
%		\vspace{2cm}
%		
%		\parbox{6cm}{
%			\centering
%			\rule{6cm}{1pt}\\
%			#2 
%		}
%		\hfill
%		\parbox{6cm}{
%			\centering
%			\rule{6cm}{1pt}\\
%			#3
%		}
%	}
%}
 
 
% % % % tighter lists % % % %
\providecommand{\tightlist}{%
	\setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}}
 
% % % % color definitions % % % % 
\definecolor{mylightgreen}{HTML}{DFECCF}
\definecolor{mydarkgreen}{HTML}{95C990}
\definecolor{dkgreen}{rgb}{0,0.6,0}
\definecolor{gray}{rgb}{0.5,0.5,0.5}
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\definecolor{darkgray}{rgb}{0.4,0.4,0.4}
\definecolor{purple}{rgb}{0.65, 0.12, 0.82}
\definecolor{orange}{rgb}{1, 0.3, 0}
 
 
% % % % Source code listings % % % %
\lstset{
	backgroundcolor=\color{white},   % choose the background color; you must add 
	%\usepackage{color} or \usepackage{xcolor}
	basicstyle=\footnotesize\ttfamily,        % the size of the fonts that are 
	%used for the code
	breakatwhitespace=false,         % sets if automatic breaks should only 
	%happen at whitespace
	breaklines=true,                 % sets automatic line breaking
	captionpos=b,                    % sets the caption-position to bottom
	commentstyle=\color{dkgreen},    % comment style
	deletekeywords={...},            % if you want to delete keywords from the 
	%given language
	escapeinside={\%*}{*)},          % if you want to add LaTeX within your code
	extendedchars=true,              % lets you use non-ASCII characters; for 
	%8-bits encodings only, does not work with UTF-8
	frame=single,                    % adds a frame around the code
	keepspaces=true,                 % keeps spaces in text, useful for keeping 
	%indentation of code (possibly needs columns=flexible)
	keywordstyle=\color{blue},       % keyword style
	morekeywords={*,...},            % if you want to add more keywords to the set
	numbers=left,                    % where to put the line-numbers; possible 
	%values are (none, left, right)
	numbersep=5pt,                   % how far the line-numbers are from the code
	numberstyle=\tiny\color{darkgray}, % the style that is used for the 
	%line-numbers
	rulecolor=\color{black},         % if not set, the frame-color may be changed 
	%on line-breaks within not-black text (e.g. comments (green here))
	showspaces=false,                % show spaces everywhere adding particular 
	%underscores; it overrides 'showstringspaces'
	showstringspaces=false,          % underline spaces within strings only
	showtabs=false,                  % show tabs within strings adding particular 
	%underscores
	stepnumber=1,                    % the step between two line-numbers. If it's 
	%1, each line will be numbered
	stringstyle=\color{mauve},     % string literal style
	tabsize=2,                       % sets default tabsize to 2 spaces
	title=\lstname,                   % show the filename of files included with 
	%\lstinputlisting; also try caption instead of title
	literate=%
	{Ö}{{\"O}}1
	{Ä}{{\"A}}1
	{Ü}{{\"U}}1
	{ß}{{\ss}}2
	{ü}{{\"u}}1
	{ä}{{\"a}}1
	{ö}{{\"o}}1
}
 
 
% Quellcodeverzeichnis definieren
\renewcommand\lstlistingname{Listing} % Untertitel unter Listing
\renewcommand\lstlistlistingname{Quellcodeverzeichnis} % Verzeichnisname
\def\lstlistingautorefname{Listing} % autoref im text
 
 
% % % % Custom defined languages % % % %
%% XML
\lstdefinelanguage{XML}{
	morestring=[b]",
	morestring=[s]{>}{<},
	morecomment=[s]{<?}{?>},
	stringstyle=\color{black},
	identifierstyle=\color{blue},
	keywordstyle=\color{cyan},
	morekeywords={xmlns,version}% list your attributes here
}
 
% Javascript
\lstdefinelanguage{JavaScript}{
	keywords={typeof, new, true, false, function, return, null, catch, 
		switch, var, if, while, do, else, case, break},
	keywordstyle=\color{blue}\bfseries,
	ndkeywords={class, export, boolean, throw, implements, import, this, define},
	ndkeywordstyle=\color{orange}\bfseries,
	identifierstyle=\color{black},
	sensitive=false,
	comment=[l]{//},
	morecomment=[s]{/*}{*/},
	commentstyle=\color{purple}\ttfamily,
	stringstyle=\color{red}\ttfamily,
	morestring=[b]',
	morestring=[b]"
}
 
% diff
\lstdefinelanguage{diff}{
	morecomment=[f][\color{red}]-,         	% deleted lines
	morecomment=[f][\color{dkgreen}]+,       	% added lines
	morecomment=[f][\color{blue}]*,       	% modified lines
	morecomment=[f][\color{black}]{/*},
	frame=single,
} 
 
\lstdefinelanguage{json}{
	showstringspaces    = false,
	keywords            = {false,true},
	keywordstyle=\color{blue}\bfseries,
	alsoletter          = 0123456789.,
	morecomment=[l][\color{dkgreen}]{//},
	morecomment=[s][\color{dkgreen}]{/*}{*/},
	morecomment=[n]{(*}{*)},
	morestring=[b][\color{red}]",
	morestring=[d][\color{red}]’
}
 
\lstnewenvironment{bash}[1][]{%
	\renewcommand{\thelstnumber}{\$}
	\lstset{
		numberstyle=\footnotesize\color{gray},
		numbers=left,
		keywords={},
		frame=none,
		basicstyle=\ttfamily,
		xleftmargin=10pt,
		belowcaptionskip=-0.8em,
		belowskip=-1em,
		#1
	}%
}{%
}
 
%fix url breaks
%http://tex.stackexchange.com/a/207712
%another fix might be used http://tex.stackexchange.com/a/10401
\makeatletter
\g@addto@macro\UrlBreaks
{%
	\do\a\do\b\do\c\do\d\do\e\do\f\do\g\do\h\do\i\do\j%
	\do\k\do\l\do\m\do\n\do\o\do\p\do\q\do\r\do\s\do\t%
	\do\u\do\v\do\w\do\x\do\y\do\z\do\&\do\1\do\2\do\3%
	\do\4\do\5\do\6\do\7\do\8\do\9\do\0\do\/\do\.%
}
\g@addto@macro\UrlSpecials
{%
	\do\/{\mbox{\UrlFont/}\hskip 0pt}%
}
\makeatother
%sidenote: fix for the bilbiography
\setcounter{biburlucpenalty}{1}  %break URL after uppercase character
\setcounter{biburlnumpenalty}{1} %break URL after number
\setcounter{biburllcpenalty}{1}  %break URL after lowercase character
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 
%%%%%% Bibliography %%%%%
\bibliography{mybib}
%%%%%%%%%%%%%%%%%%%%%%%%%
 
 
\begin{document}
\pagenumbering{invisibleroman} % verhindert das same identifier Problem
 
 
%%%%%% Vorwort %%%%%%
% Hier einmal gezeigt, wie man das mit der Kopfzeile aber ohne Eintrag ins
% Inhaltsverzeichnis machen kann.
% Außerdem eine Überschriftenebene entfernt, das diese eigentlich nur sinnvoll
% ist, wenn es darunter mehrere Unterüberschriften gibt.
\addchap[tocentry={}]{Vorwort}
%%%%%%%%%%%%%%%%%%%%%
 
 
%%%%%% Inhaltsverzeichnis %%%%%%
\tableofcontents
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 
%%%%%% Acronyme %%%%%%
\addchap[%
tocentry={Abkürzungsverzeichnis}% Eintrag ins Inhaltsverzeichnis
]{Abkürzungsverzeichnis}
%%%%%%%%%%%%%%%%%%%%%%
 
 
%%%%%% Verzeichnisse %%%%%%
\listoffigures %Abbildungsverzeichnis
\listoftables %Tabellenverzeichnis
\lstlistoflistings % Quellcodeverzeichnis/Listingverzeichnis
%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 
%%%%%%% Beginn Seitennummerierung %%%%%%
\cleardoubleoddpage % Sorgt dafür, dass die Änderung der Seitennummerierung
					% immer auf einer neuen (rechten) Seite beginnt!
\pagenumbering{arabic}% enthält bereits \setcounter{page}{1}	
\renewcommand{\chapterpagestyle}{scrheadings} %Header auch bei Chapterseiten!
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 
%%%%%% Sections %%%%%%
% % % % Einleitung % % % %
\chapter{Einführung in die Thematik}
\label{chap:einführung}
Hier entsteht Text \cite{art:iXembedded} mit verschiedenen \cite{elec:homematic} Quellen, damit \cite{elec:rwesmarthome} der Fehler reproduziert \cite{elec:vdivde-it} werden kann!
% % % % Einleitung % % % %
 
%%%%%%%%%%%%%%%%%%%%%%
 
 
%%%%%% Appendix %%%%%%
\appendix
%%%%%%%%%%%%%%%%%%%%%%
 
 
%%%%%% Bibliography %%%%%%
\printbibliography
%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 
%%%%%% Selbstständigkeitserklärung %%%%%%
\addchap[%
tocentry={Selbständigkeitserklärung}% Eintrag ins Inhaltsverzeichnis
]{Selbständigkeitserklärung}
\label{sec:erklaerung}
 
Hiermit erklären wir, dass wir die von uns an der Hochschule für 
Das ist meine Hochschule, nichts spezielles an dieser Stelle:
 
 
\textbf{\topiclong}
 
vollkommen selbstständig verfasst und keine anderen als die angegebenen Quellen und Hilfsmittel benutzt haben.
\vspace{1cm}
 
\unterschriftenfeld{Leipzig}{\firstAuthor}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\end{document}

@electronic{ elec:vdivde-it,
	author = {{Hartmut Strese, Uwe Seidel, Thorsten Knape, Alfons Botthof}},
	title = {{\glqq Smart Home in Deutschland\grqq}},
	year = {Mai 2010},
	url = 
	{http://www.vdivde-it.de/publikationen/studien/smart-home-in-deutschland-untersuchung-im-rahmen-der-wissenschaftlichen-begleitung-zum-programm-next-generation-media-ngm-des-bundesministeriums-fuer-wirtschaft-und-technologie/at_download/pdf},
	urldate = {2016-01-25},
}
@article{art:iXembedded,
	title={{Offene Plattformen verhelfen Smart Home zum Erfolg}},
	author={Thomas Eichstädt-Engelen and Kai Kreuzer},
	number={2/2014},
	pages={141--145},
	year={2014},
	publisher={heise Developer}
}
@electronic{ elec:homematic,
	title = {{\glqq Homematic\grqq}},
	url = 
	{http://www.eq-3.de/homematic.html},
	urldate = {2016-02-14},
}
@electronic{ elec:rwesmarthome,
	title = {{\glqq RWE Smarthome\grqq}},
	url = 
	{https://www.rwe-smarthome.de/},
	urldate = {2016-02-14},
}