--- a/slides/slides01.tex	Wed Sep 03 11:01:14 2014 +0100
+++ b/slides/slides01.tex	Sat Sep 06 15:30:13 2014 +0100
@@ -2,7 +2,6 @@
 \usepackage{beamerthemeplaincu}
 \usepackage{fontenc,xltxtra,xunicode}
 \defaultfontfeatures{Mapping=tex-text}
-%%\usepackage[latin1]{inputenc}
 \usepackage{mathpartir}
 \usepackage[absolute,overlay]{textpos}
 \usepackage{ifthen}
@@ -10,7 +9,6 @@
 \usepackage{pgf}
 \usepackage{calc} 
 \usepackage{ulem}
-%%\usepackage{courier}
 \usepackage{listings}
 \renewcommand{\uline}[1]{#1}
 \usetikzlibrary{arrows}
@@ -23,62 +21,14 @@
 \usetikzlibrary{plotmarks}
 \usepackage{graphicx} 
 \usepackage{pgfplots}
-
+\usepackage{../langs}
 
-\definecolor{javared}{rgb}{0.6,0,0} % for strings
-\definecolor{javagreen}{rgb}{0.25,0.5,0.35} % comments
-\definecolor{javapurple}{rgb}{0.5,0,0.35} % keywords
-\definecolor{javadocblue}{rgb}{0.25,0.35,0.75} % javadoc
 
 \makeatletter
 \lst@CCPutMacro\lst@ProcessOther {"2D}{\lst@ttfamily{-{}}{-{}}}
 \@empty\z@\@empty
 \makeatother
 
-\lstset{language=Java,
-	basicstyle=\consolas,
-	keywordstyle=\color{javapurple}\bfseries,
-	stringstyle=\color{javagreen},
-	commentstyle=\color{javagreen},
-	morecomment=[s][\color{javadocblue}]{/**}{*/},
-	numbers=left,
-	numberstyle=\tiny\color{black},
-	stepnumber=1,
-	numbersep=10pt,
-	tabsize=2,
-	showspaces=false,
-	showstringspaces=false}
-
-\lstdefinelanguage{scala}{
-  morekeywords={abstract,case,catch,class,def,%
-    do,else,extends,false,final,finally,%
-    for,if,implicit,import,match,mixin,%
-    new,null,object,override,package,%
-    private,protected,requires,return,sealed,%
-    super,this,throw,trait,true,try,%
-    type,val,var,while,with,yield},
-  otherkeywords={=>,<-,<\%,<:,>:,\#,@,->},
-  sensitive=true,
-  morecomment=[l]{//},
-  morecomment=[n]{/*}{*/},
-  morestring=[b]",
-  morestring=[b]',
-  morestring=[b]"""
-}
-
-\lstset{language=Scala,
-	basicstyle=\consolas,
-	keywordstyle=\color{javapurple}\bfseries,
-	stringstyle=\color{javagreen},
-	commentstyle=\color{javagreen},
-	morecomment=[s][\color{javadocblue}]{/**}{*/},
-	numbers=left,
-	numberstyle=\tiny\color{black},
-	stepnumber=1,
-	numbersep=10pt,
-	tabsize=2,
-	showspaces=false,
-	showstringspaces=false}
 
 % beamer stuff 
 \renewcommand{\slidecaption}{APP 01, King's College London, 24.~September 2013}
@@ -87,7 +37,6 @@
 \begin{document}
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\mode<presentation>{
 \begin{frame}<1>[t]
 \frametitle{%
   \begin{tabular}{@ {}c@ {}}
@@ -99,58 +48,50 @@
   \includegraphics[scale=1.3]{pics/barrier.jpg}
   \end{center}
 
-
-\normalsize
+  \normalsize
   \begin{center}
   \begin{tabular}{ll}  
   Email:  & christian.urban at kcl.ac.uk\\
   Office: & S1.27 (1st floor Strand Building)\\
-  Slides: & KEATS
+  Slides/HOs: & KEATS
   \end{tabular}
   \end{center}
-
-
-\end{frame}}
+\end{frame}
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%     
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\mode<presentation>{
 \begin{frame}
 
 \begin{center}
 \includegraphics[scale=2.1]{pics/barrier.jpg}
 \end{center}
 
-\end{frame}}
+\end{frame}
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%     
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\mode<presentation>{
 \begin{frame}
 
-\onslide<-1>{
 \begin{center}
 \includegraphics[scale=0.1]{pics/snowden.jpg}
-\small{}
-\end{center}}
+\end{center}
 
-\only<1->{
 \begin{textblock}{1}(4.5,7.5)
   \begin{tikzpicture}[scale=1.3]
   \draw[white] (0,0) node (X) {\includegraphics[scale=0.1]{pics/rman.png}};
-  \draw[white] (4,0) node (Y) {\includegraphics[scale=0.1]{pics/gman.png}};
-  \draw[red, ->, line width = 2mm] (X) -- (Y);
-  \node [inner sep=5pt,label=above:\textcolor{black}{}] at ($ (X)!.5!(Y) $) {};
+  \draw[white] (6,0) node (Y) {\includegraphics[scale=0.1]{pics/gman.png}};
+  \draw[red, ->, line width = 3mm] (X) -- (Y);
+  \node [inner sep=5pt,label=above:\textcolor{black}{communication}] at ($ (X)!.5!(Y) $) {};
 
   \draw[white] (1.3, -1) node (NSA) {\includegraphics[scale=0.05]{pics/nsa.png}};
   \draw[white] (2.7, -1) node (GCHQ) {\includegraphics[scale=0.3]{pics/gchq.jpg}};
   \draw[black] (2, -2) node (OTHER) {\huge\ldots};
 
   \end{tikzpicture}
-\end{textblock}}
+\end{textblock}
 
-\end{frame}}
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%     
+\end{frame}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%     
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \mode<presentation>{