add rtp-autoflush profile param and rtp_autoflush var to skip timer sleeps when the socket has data ready and refactor the jitter buffer code out into a different function and fix it so it works in blocking mode too

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@12854 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_sofia/mod_sofia.h

@@ -181,6 +181,7 @@ typedef enum {
 	PFLAG_MANAGE_SHARED_APPEARANCE,
 	PFLAG_DISABLE_SRV,
 	PFLAG_DISABLE_NAPTR,
+	PFLAG_AUTOFLUSH,
 
 	/* No new flags below this line */
 	PFLAG_MAX