Fix Lock app for Fabric.
Update A0TwitterAuthenticator.m

BDBOAuth1Manager (https://github.com/bdbergeron/BDBOAuth1Manager/commit/2a6d37a8abc7f512daaff2e220dae1f4245ae1cc) renamed the "BDBOAuthToken" to "BDBOAuth1Credential".
This update fixes this change.
Update Lock.podspec
After changed the BDBOAuth1Manager version, the new Podfile.lock
Merge pull request #53 from RealBrubru/patch-1

Update A0TwitterAuthenticator.m
Merge pull request #54 from RealBrubru/master

Updated the lock.podspec and podfile.lock
Separate debug app from release.
Start using API v2 for sending SMS.
Define macro for API v2 endpoint.
Move JWT to xcode config.
Merge pull request #55 from auth0/feature-sms-apiv2

SMS API v2
SMS Code field shows number keyboard.
Store already entered phone number.
Merge pull request #56 from auth0/enhacement-controller-ux

SMS VC enhancements
Clear all social sessions hoook in example.
Update version to 1.6.0
Update examples to 1.6.0.
Disable CocoaLumberjack logging.
Handle user exist error in TouchID signup.
Update to version 1.6.1.