Openfire integration fixes:
- Generate openfire.properties, replicate through cfengine
- add HA property to relax validator, configurable
- remove unused providers from openfire.vm
- fix openfire service status in sipxconfig page
- remove mechanism for saving properties in OF db
- expose aditional settings in IM config page
Merge branch 'OpenfireDEMO' into release-4.6-unstable