Fix bootstrap from the removal of mod_html5 in previous commit and cleanup some other reference to it

mod_rayo: fixed prompt state machine - wrong state transition when output finishes before input starts

While sofia does garbage collection, in other locations we still call su_free after calls to sip_header_as_string. So adding it here too since we've finished using the full_contact variable.

add via_protocol to request so you can be informed if you wish to force expires due to tcp keepalives being on.

Fix regression from ignoring breaks in video rtp sessions and add a flag to force a break when needed

FS-4819 --resolve we can match the one offered just for the sake of interop since it probably won't hurt anything, if it does we can take further action

FS-5778 --resolve use switch_core_event_hook_remove_receive_message() to bind to receive_message and case for new SWITCH_MESSAGE_ANSWER_EVENT, SWITCH_MESSAGE_PROGRESS_EVENT, SWITCH_MESSAGE_RING_EVENT