Fixed progress bar during file upload

Conflicts:
	core/libqutim/filetransfer.cpp
add webkit style Nuvo
Webkit-style urlpreview fixes

- add class for urlpreview images
- add style for rca
minimize svg
polish Nuvo
Fix block size
fix RCA bug in urlpreview
polish Nuvo

fix Topic section
polish Nuvo

some fix Tooltip
Mentions
urlpreview

reset class to img tag
delete unnecessary div
fix scaling in urlpreview
Nuvo

new mention style
smaller timestamp
garbage
Nuvo

Mentions. 2 styles
[tabbar] highlighting tabs at unread messages
[avatariconemgine] QPainter::begin: Paint device returned engine == 0, type: 2 // fixed
[tabbar] change logic to highlight
[adiumwebview] context menu for quote added
[adiumvebwiew] set focus on chatedit after requested context menu