\documentclass[11pt]{report}

 %\usepackage{ngerman}

 \def\isac{${\cal I}\mkern-2mu{\cal S}\mkern-5mu{\cal AC}$}

 \def\sisac{{\footnotesize${\cal I}\mkern-2mu{\cal S}\mkern-5mu{\cal AC}$}}

 \include{thesis-preamble}

 \begin{document}

 \lstset{               % set parameters for listings

   language=,

   basicstyle=\small,

   tabsize=2,

   xleftmargin=2mm,

   xrightmargin=2mm,

   float=htb,

   frame=shadowbox,

   framexleftmargin=2mm,

   rulesepcolor=\color{lightgrey},

   numbers=left,

   numberstyle=\scriptsize,

   extendedchars,

   breaklines,

   showtabs=false,

   showspaces=false,

   showstringspaces=false,

   keywordstyle=\bfseries,

   identifierstyle=\ttfamily,

   stringstyle=,

   captionpos=b,

   abovecaptionskip=\abovecaptionskip,

   belowcaptionskip=\belowcaptionskip,

   aboveskip=\floatsep,

 }

 %\frontmatter

 \normalsize

 \pagestyle{empty}            % for title pages

 \pagenumbering{alph}

 \include{thesis-title}       % Title Pages, Abstracts, Pledge

 \include{thesis-acknowl}     % Acknowledgements

 \include{thesis-contents}    % Table of Contents, List of Figures, List of Tables

 %\mainmatter

 \pagestyle{fancy}               % for main pages

 \pagenumbering{arabic}          % for main pages

 \include{thesis-intro}          % Introduction

 \include{content}

 % \include{your main files}

 %\include{thesis-conclusion}     % Conclusion and Future Work

 \appendix

 % \noappendicestocpagenum

 % \addappheadtotoc

 \include{thesis-appendix}      % Appendix A

 %\backmatter

 \include{thesis-biblio}      % Bibliography

 %%%\bibliographystyle{plain}

 %%%\bibliography{master_thesis}

 % \include{glossary}      % Glossary

 % \include{index}         % Index

 \end{document}