* use wildcard for amqp bindings

* kazoo custom headers

adds route REMOVE_RESERVED_HEADERS
adds external configurable setting for cleaning sip headers before sending to exterrnal

* use wildcard for AUTHORIZATION_CHECK

* add KAZOO_DB_LOCATION to defs

allows overriding the locaction of db_kazoo database

* add prometheus

creates http.cfg for handling xhttp:request
decouple websockets from xhttp:request

* add flags

* remove k-cid handling from fastpickup

* rework default listeners

adds oob definitions

* add support for internal tcp proto

* use wildcard for for local request routes

* use wildcard for deferred init

* rework websocket listeners

* add trace_init_mode

and a way to ignore tracing for configured ports

* remove local request in presence

* pusher record-route

* update dispatcher next route

* allow alg selection from other routes

other routes may set alg and then call DISPATCHER_SELECT_ROUTES

* support media check with tcp proto

* classify with X-FS-Core-UUID

support for tcp without changing KZ_DISPATCHER_CLASSIFY_FLAGS

* use wildcard for custom HANDLE_REGISTER

* handle proto for proxy-path

* allow relocation of tls config

adds xavp_cfg param to tls for easier selection of tls definition

* add tcpops module

* decouple websockets

* don't create transaction for in dialog

* run custom routes

* handle ruri alias

* add newline to log

* support tcp in media associations

* allow skip nat manage by flag

* allow no force send socket  for internal listener

* use wildcard in route extensibility

* add route to external

* adds dispatcher for outbound
* adds custom for outbound

* include extra routes

* formatting

* more decoupling with wildcard routes

* move MWI_PRESENCE_BODY to route

* code readability

* fix import extra files

* allow external definition of websocket domain

#!trydef WEBSOCKET_DOMAIN "where.is.that"
the substdef will be created with that value
this avoids the creation of substdef expressions in local.cfg or other included scripts

* add log prefix settings

* dispatcher log formatting

* use trace_ignored_methods

* use modparamx for siptrace uri

* set loglevel to debug for group route

(cherry picked from commit c70c467dfd)

* moves definitions of listener macros to own file
* moves listen directives to own file
* adds internal listener
  * when kamailio <-> freeswitch is done on local net
* adds advertise, external
* ports can be redefined
* registrar proxy_path set with dependency from internal listener
* allow extra defs in untracked custom-defs.cfg
* allow custom listeners in untracked custom-listeners.cfg
* adds macro to skip default listeners

kazoo-kamailio
  * allow LOCAL_IP_INTERFACE env to check
    for local ip (docker in swarm mode)
  * boot as option to call prepare & start

Added low_mem_threshold1 setting to 0.  TLS connections will not fail preemptively.