Restructure files, make the latex code more modular

Also added a few more section to make beamer and article more
compatible.

common/beamer_configuration.tex

@@ -0,0 +1,72 @@
+% packages
+\usepackage{xcolor}
+\usepackage[utf8]{inputenc}
+\usepackage{amsmath}
+\usepackage{amsfonts}
+\usepackage{amssymb}
+\usepackage{graphicx}
+\usepackage{listings}
+\usepackage{minted}
+\usepackage{xparse}
+
+% for \verb inside \item
+\usepackage[T1]{fontenc}
+\usepackage[Q=yes]{examplep}
+
+% package configuration
+\DeclareGraphicsExtensions{.pdf,.png,.jpg}
+\beamertemplatenavigationsymbolsempty
+\setbeamertemplate{footline}[frame number]
+\usemintedstyle{friendly}
+\newminted{haskell}{frame=single,numbers=left}
+\newminted{cpp}{frame=single,numbers=left}
+\newminted{c}{frame=single,numbers=left}
+\renewcommand{\theFancyVerbLine}{\ttfamily
+	\textcolor[rgb]{0.0,0.0,0.0}{\footnotesize
+	\oldstylenums{\arabic{FancyVerbLine}}}}
+
+% title page information
+\author{Julian Ospald}
+
+\institute{FH Bielefeld}
+\title{Haskell: introduction}
+
+% color definition
+\definecolor{solarized}{HTML}{002B36}
+\definecolor{mygreen}{rgb}{0,0.6,0}
+
+% macros and environments
+\newcommand{\code}[1]{\texttt{#1}}
+\newcommand{\slidep}{\onslide<+->}
+\newenvironment{itemizep}
+ {\begin{itemize}[<+->]}
+ {\end{itemize}}
+ 
+ 
+\NewDocumentCommand {\slide} { m O{} O{} }
+	{\begin{frame}{#3}
+		\frametitle{\thesection.\ifnum\thesubsection=0\else\thesubsection.\fi\ \currentname {#2}}
+		\input{#1}
+	\end{frame}}
+	
+\NewDocumentCommand {\slidetoc} { }
+	{\begin{frame}
+		\frametitle{\thesection. \currentname}
+		\tableofcontents[currentsection,hideothersubsections]
+	\end{frame}}
+ 
+ 
+% sections numbered
+\setbeamertemplate{section in toc}[sections numbered]
+\setbeamertemplate{subsection in toc}[subsections numbered]
+\defbeamertemplate{subsubsection in toc}{subsubsections numbered}
+{\leavevmode\leftskip=3em%
+ \rlap{\hskip-3em\inserttocsectionnumber.\inserttocsubsectionnumber.\inserttocsubsubsectionnumber}%
+ \inserttocsubsubsection\par}
+\setbeamertemplate{subsubsection in toc}[subsubsections numbered] 
+
+% get current section name
+\usepackage{nameref}
+\makeatletter
+\newcommand*{\currentname}{\@currentlabelname}
+\makeatother