* Rename option ringback-during-collect to immediate-ringback
* Allow regular ringback tone with immediate-ringback, not just a wav file
* Do not request full frame of data, just packet_len which is what we receive per IO interval
* Ignore user data when playing ringback tone

mod_rayo: add support for speech recognizers other than pocketsphinx, fixed some input component bugs, allow simultaneous dtmf and voice input.

Ken is creating a bump-in-the-wire box for legacy IP phones and might
find this script useful.

FS-5682 --resolve there was one other change to allow them to copy over by setting them on the A leg.  Exporting the sip_multipart variable or setting it in {} on the dial string should already work.  This patch should make it work with setting it too.

FS-5686 --resolve mod_rayo: allow re-join to mixers so that audio direction can be changed.  Added support for audio direction in mixers.  Allow unjoin without mixer-name or call-id

FS-5682 --resolve new syntax <action application="set" data="sip_multipart=application/pidf+xml:1234"/> use push instead of set to add more to the same channel

Chrome send "Connection: Upgrade" while FF has "Connection: keep-alive, Upgrade"