Merge pull request #357 from dubslow/master

Two tweaks
Fix #359
Add GitHub release publishing script for Jenkins
Update publish.py
README: Link to the new releases
Build both i386 and amd64 linux packages
Update package dependencies
MaskablePixmapWidget: auto-detect a suitable background color
cleanup, applied some of the "Tox User Interface Guidelines"
cleanup, use qss instead of QPalette
qss vars
qss font symbols
unmessification
more styling
removed workaround
Fix #361, load Qt runtime platform plugins
fixed merge
AdjustingScrollArea: removed event filter
AutoFillBackground
GenericChatroomWidget: use QFrame instead of QWidget as base class
(fixes invisible background)