branch to oRTP with zrtp
destroy http provider before sal is destroyed, otherwise the belle_sip_stack is already destroyed when destroying the provider.
update ms2
fix bug around legacy sip_random_port property
Use #define instead of enum.
fix bad enum cast and invalid enum translation
Update Makefile and oRTP to switch to bzrtp
Merge branch 'dev_bzrtp' of git.linphone.org:linphone into dev_bzrtp
update oRTP module to get correct android makefile
Update oRTP and ms2 submodules for RTCP XR.
Merge remote-tracking branch 'origin/dev_bzrtp'

Conflicts:
	oRTP
Merge branch 'master' of git.linphone.org:linphone
update ms2 and oRTP, add documentation for zrtp related functions. Fix bug about sesion name not taken into SDP answers.
Fix crash on Android
Real early media switch to console.

Allow using the real hardware to stream early media.
Coma separated list of user defined alsa devices

Config alsadev; patch from Ingo Krabbe.
bzrtp integration for android
implement digest authentication for anonymous calls (with id privacy)
Update mediastreamer2 to enable HD on more devices
Update README rpm