added new properties to amqp configuration
fixed - enable_fallback_format_fields usage, only worked on first event
added amqp_util_encode to fix routing key
added xml fetch for channels to externally support nightmare transfer
depends on channel-xml-fetch-on-nightmare-transfer profile param (default is disabled)
fixes missing entry in switch_xml.c to enable the xml binding
allow intercept of replaced call-id when processing the replaces header by providing a a-leg parameter in replaces header.
without this change one leg calls could not be picked because there is no bridge_uuid