FS-5325
FS-5325 this should prefer v4 addrs to avoid the blocking on connect as well so you can use the dns name again
FS-5331
FS-5343 --resolve

Conflicts:
	libs/sofia-sip/.update
FS-5344 --resolve
FS-5346 --resolve use new originate_delay_start=<ms> to get this
remember to file your tps reports
add tcp keepalive where possible
rebuild
Add application layer keepalive options to sofia and expose config options

Conflicts:
	src/mod/endpoints/mod_sofia/mod_sofia.h
FS-5316 --resolve
FS-4990 --resolve
FS-5355 --resolve
FS-5286 we can try this for added protection
mod_rayo skeleton implementation
Add default configuration for rayo testing
add mod_rayo to modules.conf.in
mod_rayo: bind to XMPP port and accept connections
mod_rayo: added XMPP parser and logging
mod_rayo: SASL PLAIN authentication