Update Ukrainian locale
Merge pull request #210 from rkononenko/patch-1

Update Ukrainian locale
Fix warning in SoundDirDictionary constructor
Part of work for #212: Make GD source to be ready for Qt5.

Replaced deprecated to/fromAscii with to/fromLatin1
Updated to the latest qtsingleapplication, as part of fix for #212.

The sources are already updated to be compatible with Qt5.
Eliminate some compiler warnings (in Release mode).
Make changes from commit d8decdae83 Win-specific (issue #213)
Periodical save of history (issue #209)
Lupdate all translations, update Russian translation
Fixed #205: Visual glitches in the new UI on KDE/Linux.
Additional fix for #205.
Windows switching under Ubuntu Unity (issue #204)
Fixed #215: Enter doesn't work in the suggestions list when switching from the Old UI.