Merge pull request #373 from dubslow/master

fix groupchat issue
fixed #372
FileTransferInstance: return of the edges
statusPanel: css, cleanup
removed broken custom window decoration
tweak
fixed wrong group status image
Change indicator for action messages
Merge pull request #377 from zetok/indicator

Change indicator for action messages
fixed regression (#334)
cleanup
MaskablePixmapWidget::getPixmap: return the masked pixmap
FileTransferInstance: use correct fontmetrics
Style: tweaked weight
GenericChatForm: use correct fontmetrics
Merge pull request #380 from krepa098/master

More visual tweaks and fixes
add Kappa emote
tweak buildPackages
simplify groupchat names, fix #379, more simplification is possible