Windows crash fix with MSFoundation :  avoid to send frames if new format (that doesn't match to the requested one) has been taken account.

Fix main thread freeze on V4L when stopping camera : on stopping, don't wait to dequeue if polling is timed out because buffers are not gettable.

Add names to threads launched by mediastreamer2. Add checks to help troubleshooting of video conference.

Make async calls for UWP when changing device settings.
Manage errors and show them in logs.
Fix multiple camera restarting, video freezes and keeping open camera after stopping it.
Display errors in hexadecimals.
Activate readers and camera after knowing what to use in the initialization step.

Make lime-x3Dh server implementation independant from lime library. Fix a crash with ZRTP video calls.

Remove the need of doing unreliable test for turbojpeg function parameter.
Change the build of turbojpegwriter into Cpp in order to use the auto cast.

Optimize OpenGL/TextureView android video rendering by using a single thread for all TextureViews. For that purpose the MSWorkerThread has been enriched with new features: ability to wait for tasks, and repeatable tasks.

Revert source filter on MS_FILTER_OUTPUT_FMT_CHANGED (we now don't need to override sent video size).
AVCapture: add reason of failure on opening device.
MSFoundation: Avoid to unplumbing/replumbing on the first initialization.
Activate camera on initialization and wait for it. Avoid sending format changed if this is not initiated by the camera.

- Adapt string buffer to needed characters from friendly name.
- Add more feedback logs.
- Fix fps selection to get less or equal than requested (that avoid unsupported hardware behavior on high fps)

Scale openGL buffer to write with the full available screen resolution rather than just the UIView pixel frame. This should fixes iOS bad video quality problem.

Add goClear to ms2
Send ortp event when peer accepted goclear

(cherry picked from commit 8f5e3098)
(cherry picked from commit 2c4de6f2)

Make DTLS-SRTP to start immediately after the default candidate pair is verified by ICE. This saves time to establish the audio stream.

Write definition of functions ms_zrtp_getAuxiliarySharedSecretMismatch and ms_zrtp_setAuxiliarySharedSecret if HAVE_ZRTP is not defined

Prevent default sound device descriptor to use BUILTIN_AEC flags if AcousticEchoCanceler isn't available