KAZOO-2636 several fixes & additions
Merge pull request #392 from 2600hz/KAZOO-2636

Kazoo 2636 - fixes for faxbox api & cloud connector
3.12: build wsock before nksip
KAZOO-2646 - delete unwanted line
KAZOO-2625: treat disconnected event as destroy
KAZOO-2563: only use auth doc from couch/cache and current timestamp to
determine whether to save the auth doc with updated pvt_modified timestamp
KAZOO-2563: add lang metadata to user auth
KAZOO-2563: add ability to delete your own auth token
KAZOO-2563: remove saved docs from local couch cache
KAZOO-2563: add token_auth doc page
KAZOO-2563: fix setting pvt fields on token
KAZOO-2563: added auth_token restrictions docs
KAZOO-2563: clean up unused vars
KAZOO-2647: add an enabled flag to the error emails
KAZOO-2563: use auth doc from context

remove suppression of change notice

put expiry percentage to system_config doc
KAZOO-2563: remove explicit flushing after save
KAZOO-2644: disallow DELETE method on the master account id
Merge pull request #400 from 2600hz/KAZOO-2644

KAZOO-2644: disallow DELETE method on the master account id
Merge pull request #379 from 2600hz/KAZOO-2563

Kazoo 2563
Merge pull request #399 from 2600hz/KAZOO-2625

KAZOO-2625: treat disconnected event as destroy