Public api adaptations
Integrated toxmsi and toxrtp into the build system
Merge pull request #1 from jin-eld/build-integration

Integrated toxmsi and toxrtp into the build system
Added raw support fot multi-session in rtp
Added full support for multi-sessions
Merge remote-tracking branch 'mannol1/master'

Conflicts:
	configure.ac
	toxmsi/Makefile.inc
	toxmsi/msi_impl.h
	toxmsi/msi_message.h
	toxmsi/phone.c
	toxrtp/Makefile.inc
	toxrtp/rtp_helper.c
	toxrtp/rtp_impl.c
	toxrtp/tests/test_bidirect.c
	toxrtp/tests/test_headers.c