v4l2: Fixed audio init & close.  Added some comments to help the readability of the main device detection logic.

If the v4l2 driver supports the extended controls API, use it to list controls (instead of the user control API).

Makefile.am: try it the simple way now, trusting the user not to open another dmg with the same name

live-starttime.patch is merged upstream and bumping up livemedia's version number is no longer needed.

MacOSX/Framework/VLCEventManager.m: Don't send grouped events to the same target if there is an event in-between.

Qt4 - extended... attempt to fix extended panel size... The culprit is still the VideoFilter Widget.

video_output/opengllayer.m: Don't rely on CAOpenGLLayer when frames should be displayed. Display frame when vout tells us to do so.

MacOSX/Framework/VLCEventManager: Forgot in previous commit. Code clean up/documentation.  Standardized the way duplicate notifications are consolidated.

MacOSX/Framework/VLCEventManager: Code clean up/documentation.  Standardized the way duplicate notifications are consolidated.

MacOSX/Framework/Examples/test: Don't waste time getting the length of the video while we're doing a drag & drop operation.

shouldn't break anything (tested on mp4/ts files, rtp stream and http/ts
stream). Files play correctly and MP4Box/ffmpeg recognize them
correctly. should fix #1384