removed obsolete 'institution_name' entry from template variables array.
removed unused variable 'studentUserId'.
replaced template variable with a direct read from the user session.
lumberged a todo item.
echoing values out does help. indeed.
eliminated 'user_id' entry from template variables array.
removed unused variable and db call.
removed unused variable and db call.
removed unused variable.
removed unused variable and db call.
removed unused variable and db call.
Merge pull request #483 from stopfstedt/biertrinken-ist-wichtig

template variable cleanup