GLMixer Code

Ask for confirmation before deleting current session file from session
switcher.

Taking into account renaming of session file in main GUI.

BugFix: enable multiple items with identical session name in session
switcher (because now the list of session file is recursive over multiple
folders).

Change behavior of session switcher: now looking recursively in the
folder for all glm session files (i.e. also in subfolders).

OSC request name reply with index.

BugFix: cancel smooth pause when not required.

Cleanup implementation hardware codec.

Cleanup implementation of hardware acceleration in video file.

Rename tagDockWidget to selectionDockWidget.

Saving preference of smooth pause.