Fix a few overfull hboxes

Author: hageboeck

talk/C++Course.tex

@@ -203,6 +203,8 @@
   \end{center}
 \end{frame}
 
+\appendix
+
 \section*{Index}
 
 \begin{frame}

talk/setup.tex

@@ -20,14 +20,14 @@
 {%
   \leavevmode%
   \hbox{\begin{beamercolorbox}[wd=.5\paperwidth,ht=2.5ex,dp=1.125ex,leftskip=.3cm plus1fill,rightskip=.3cm]{author in head/foot}%
-    \usebeamerfont{author in head/foot}\insertshortauthor
+    \usebeamerfont{author in head/foot}\insertshortauthor%
   \end{beamercolorbox}%
   \begin{beamercolorbox}[wd=.4\paperwidth,ht=2.5ex,dp=1.125ex,leftskip=.3cm,rightskip=.3cm plus1fil]{title in head/foot}%
-    \usebeamerfont{title in head/foot}\insertshorttitle
+    \usebeamerfont{title in head/foot}\insertshorttitle%
   \end{beamercolorbox}}%
-    \begin{beamercolorbox}[wd=.1\paperwidth,ht=2.5ex,dp=1.125ex,leftskip=.1cm plus1fill,rightskip=.1cm]{date in head/foot}
-      \usebeamerfont{date in head/foot} \insertframenumber{} / \inserttotalframenumber
-    \end{beamercolorbox}
+    \begin{beamercolorbox}[wd=.1\paperwidth,ht=2.5ex,dp=1.125ex,leftskip=.1cm plus1fill,rightskip=.1cm]{date in head/foot}%
+      \usebeamerfont{date in head/foot} \insertframenumber{} / \inserttotalframenumber%
+    \end{beamercolorbox}%
   \vskip0pt%
 }