Add documentation for the push-server-config endpoint
Add missing response error codes.
Update the /sms/momt/ flow documentation.
Merge pull request #31 from mozilla-services/msisdn-documentation

MSISDN — Update /sms/momt/ documentation
Merge pull request #30 from mozilla-services/loop-simplepush-config

Add documentation for the push-server-config endpoint
Add documentation about the {phoneNumber, mcc} object.
Merge pull request #33 from mozilla-services/1039444-direct-calls-mcc

Bug 1039444 — Add documentation about the {phoneNumber, mcc} object.
Add a note about versioning
Update to integrate fxA OAuth documentation
Wrap the example lines
Add scope and token_type