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.
img seems to need alt
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
Merge pull request #482 from Trott/accessibility

img seems to need alt