init presentation

Signed-off-by Sebastian Krieter <sebastian.krieter@uni-ulm.de>

demo-slides/demoSlides.tex

@@ -151,21 +151,21 @@
 
 \subsection{Advanced Management of Pictures}
 \begin{frame}{\insertsubsection}
-	\begin{mycolumns}[t]
+	\begin{fancycolumns}[t]
 		\begin{example}{\texttt{\textbackslash pic} command}
 			\centering\pic[width=0.5\textwidth,trim={.2\width} {.2\height} {.2\width} {.2\height},clip]{example-image}
 		\end{example}
 		\begin{note}{Explanation}
 			Using the command \texttt{\textbackslash pic\{filename\}} a picture can be included. It works like \texttt{\textbackslash adjincludegraphics} and therefore supports advanced options like \texttt{trim}.
 		\end{note}
-	\mynextcolumn
+	\nextcolumn
 		\begin{example}{Automatic Links}
 			\centering\pic[width=0.5\textwidth]{example-image} % omit file extension of the image picture
 		\end{example}
 		\begin{note}{Explanation}
 			In order to automatically add a (source) link to the picture, the link simply has to be stored in a txt-file with the same filename.
 		\end{note}
-	\end{mycolumns}
+	\end{fancycolumns}
 \end{frame}
 
 \subsection{Automatic Dark-Mode for Pictures}