CMakeLists.txt cleanup
Port to Qt5

CMake cleanups coming
Windows support removed and CMake cleanups
Fix translations
Fix a warning in Core::sleep()
Get rid of a warning in dialoguploader.ui
Remove unused code
Change default preferences shortcut to something more appropriate
Move license to COPYING
Remove debian/
Update Russian translation
No need to mention Qt-based
Move translations to translations/
Normalize style to whatever extent possible..
Get rid of DESKTOP_SESSION hacks
Add an empty toolbar
Move buttons on right to toolbar and clean up main window layout
Updated German translation