Add possibility to duplicate RTP packets and fix first received packet sequence for RTCP computing (hwrcv_seq_at_last_SR)
cleaning code for the duplication feature
define report block getters/setters as inlined functions instead of macro and fix cumulative loss computing
added ORTP_INLINE macro for 'inline' keyword
remove test code and use proper setter for cumulative loss
Merge remote-tracking branch 'origin/master' into dev_packet_duplication

Conflicts:
	src/rtpsession.c
Fix win32native compilation with Visual Studio.
new feature: multiple destinations can be added for a RtpSession.
Respect naming conventions and make some functions public.
fix potential crashes
Fix lost packets value in case of RTCP_OVERRIDE_LOST_PACKETS.
Merge branch 'master' into dev_packet_duplication
Merge branch 'dev_packet_duplication'
avoid warning for static inline function in case of CLANG compiling in -g mode
Fix EXTRA_DIST.
add loss rate estimator in order to get more accurate loss rate estimations when receiving very frequent RTCP reports.
fix clang -Wgnu-variable-sized-type-not-at-end complains
fix RTCP XR mos_lq value computing
Fix compilation warning.
reset highest_seq_number_recv to fix negative cumulative loss value in case of multiple streams running on the same RTP session
Specify AVPF RR interval in milliseconds.