Tweaked Pagination of viewforum a little bit. Fixes #23
Remove text shadow from link 'Zum Inhalt'
Tweak register process a little bit. Fixes #54
Tweak contact page a little bit. Fixes #57
Tweak 'Who is online' page a little bit. Fixes #58
Tweak email send formular. Fixes #59
Hide header image on smartphones. Fixes #60
Tweak viewtopic headers and layout. Fixes #64, fixes #63