Fix bad commit reference
Follow naming conventions of linphone core callbacks.
Update mediastreamer2 submodule
Fix compilation with Visual Studio.
Improve compilation with CMake by using CMake modules to find the dependencies.
fix liblinphone android tester
Update oRTP and ms2 submodules.
fix android liblinphone_tester_fprintf
Update ms2 submodule.
Merge branch 'master' of git://git.linphone.org/linphone