missing global.
Signed-off-by:Thorsten Eurich <thorsten@eurich.de>
unused globals.
Signed-off-by:Thorsten Eurich <thorsten@eurich.de>
fixes for various undefined index errors:
 - the "like" button alternate text can't show show users if no one had liked the message before
- the "like" button shouldn't appear if the "like" feature is disabled.
Signed-off-by:Thorsten Eurich <thorsten@eurich.de>
Merge pull request #613 from eurich/quickfixes

Quickfixes