Merge branch 'KDE/4.9'
- KDE/4.9: Fix callback race in the session save and shutdown code. Update for 4.9.0 release SVN_SILENT made messages (.desktop file) SVN_SILENT made messages (.desktop file) Fix regression in QML shutdown menu. Ampersands should be removed from menu entries' text by default. Fix typos in a message that broke string freeze. Fix potential parallel build failure.