Now using MS_DEFAULT_MAX_PAYLOAD_SIZE . To change it afterwards using the
MSfactory in use, call  ms_factory_get_payload_max_size.

 accessible from the MSFactory.
Adding MSWebCamManager* in MSFactory.
Adding MSFactory to MSWebCamManager* and pointer to manager in MSWebCam.
Using ms_factory_wbc_amanger or snd_manager get  to get pointers to the managers.
Using ms_factory_create to create a new factory and initialize it
(ticals ms_factory_new and ms_factory_init plugins and voip).

Using getter ms_factory_get_snd_manager to get MSSndCardManager from the MSFactory.
Using ms_snd_card_factory_get to get MSFactory from MSSndCard.
Removing static MSSndCardManager* scm.

.

Removing ms_factory_uninit_plugins when destroying the factory since it is already called in ms_factory_destroy.

Modifying ms_factory_destroy to destroy it and its contents when no one is using it anymore.
Modifying ms_factory_uninit to destroy the card manager and webcam manager when there is
 no  references to them.

mediastreamer2-sound_card_tester still uses the fallback factory.
Added reference to MSFactory in MSSndCard an MSSndCardManager.

warning : fix TDODO in rfc3984_new .

Fixing bug in ms_factory_init_voip.

First integrating step in vp8 .
TODO : fix ugly temporary fix in mkv.c .

Taking out the in_resampler and out_resampler filter creation from the ms_audio_endpoint_new function
because the factory is needed in this case. Instead, the creation is done in ms_audio_endpoint_get_from_stream
and ms_audio_endpoint_new_recorder.

 functions from factory.c instead of msfilter.c.

First changes to have the LinphoneCore instance own the factory object instead of sharing  it through a static variable.

This can then be used by the upper layer (like liblinphone) to correctly perform the SDP offer/answer logic.

Added new structure to count RTCP feedback packets received for video stream : PLI, SLI, FIR and RPSI.
Modified test avpf_video_stream to use counters.

Prevent creating an event queue when calling ms_queue_pump() in audio_stream_stop() and video_stream_stop().