KAZOO-2825 language per endpoint
KAZOO-2825 send reply with "service unavailable" message
KAZOO-2825 default language correction
KAZOO-2825 WIP
KAZOO-2825 nonce for cached gsm authentication
KAZOO-2825 send reply message when service is unavailable due to
device/user/account restrictions
KAZOO-2825 compatibility for freeswitch known versions
Merge pull request #514 from 2600hz/KAZOO-2825

Kazoo 2825