XX-8473: FreeSWITCH parking

- remove sipXpark project
- move default moh to sipxconfig project
- update park orbit table to link to orbit to specific location
- include park orbits in FS dialplan: each park orbit has an extension to park call and an extension to unpark call. Extension for transfer back added
- removed park orbit settings and UI tabi. Added new server column in orbit table and drop down to select location in add / edit park orbit
- updated REST API with park orbits per server operations: api/orbits/servers/{serverId} GET, POST and DELETE for retrieving, creating and deleting park orbits for specified server
- replicate park orbits in mongo, remove orbits.xml file generation / replication
- added new method in ParkOrbitContext to retrieve park orbits based on location. ParkOrbitContext is no longer address / process provider since moving to FS. If admin tries to delete location with park orbits operation will fail and warning displayed. When disabling park feature from server orbits are automatically deleted
- registrarSettings triggers park and freeswitch features configuration since retrieve park is registrar setting. Park orbits will be replicated when registrar settings changed
- added unit tests fot REST API and fixed precommit