Add initial version of tray icon, references #18
Missing files for commit bda17bc4f5f9310d8f01b37003d313a60f689afa
Add context menu to tray icon, references #18
Handle actions of context menu, fixes #18
Update Show / Hide Window action depending on state of window
Add method to close whole application (all windows and session) in clean way
Allow to disable tray icon
Document QtConcurrent issue, fixes #461
Update translations from Transifex
Merge remote-tracking branch 'upstream/master'