Fix missing libs and env var on Linux build.
Update translations.
more gitignore
Add img convert and scaler to thumbnail producer.
Fix time spinner regex validator.
Refactor all QSettings into new Settings singleton.
Load available filters in background on launch.
Add file extension if needed when saving playlist.
Grab fixed area by default in X11 screen grabber.
Fix some regressions in playlist editing.
Enable Leap Motion in Linux builds.
Add a search field to the Recents panel.
Deselect recent file upon activation.
Fix crash opening new file.
Set strict=experimental using encoding defaults with mp4.
Move HtmlEditor author-time javascript to resource.

This way it can be upgraded along with the HtmlEditor C++ code.
Code cleanup in playlist QUndoCommands and PlaylistModel slots.
Fix incorrect file path selecting recent search item.
Cosmetic tweak to ScrubBar play head.
Disable Leap Motion in Linux builds.

The Leap lib is conflicting with QtWebKit causing crashes.