Fix remaining export issues

Author: bhaettasch

content/templates/content/export/base.tex

@@ -18,7 +18,7 @@
 \newcommand{\Image}[2]{
     \begin{figure}[H]
     \centering
-    \includegraphics{#2}
+    \includegraphics[width=\textwidth]{#2}
     \caption{#1}
     \end{figure}
 }

content/templates/content/export/invalid.tex

@@ -1 +1 @@
-\textit{This content type is supported at the moment.}
+\textit{This content type is not supported at the moment.}

export/helper_functions.py

@@ -45,6 +45,4 @@ def render(context, template_name, assets, app='export', external_assets=None):
     def pre_render(content):
         template = get_template(export_template(content.type))
         context = {'content': content}
-        print(content.imagecontent.image.url)
         return template.render(context).encode(LaTeX.encoding)
-