* jicofo: add optional XMPP_PORT value
* include compose and env example for XMPP_PORT
* extends use of the XMPP_PORT property
* fix compose to use default
* re-commenting XMPP_PORT value
* include XMPP_PORT in compose for all services
* always use $XMPP_PORT, value defaulted in template
* missing JVB setting
* feat: Enables limits with default values from upstream.
* feat: Enables limits_exception module and adding jicofo and jvb.
Removes the limits for the jicofo and jvb connections.
