refs #29 | include php oauth library for social login
refs #29 | register social login service provider
refs #29 | add shortcut to controller
refs #29 | add method for users to register with no password
refs #29 | add config for social login
refs #29 | social login
refs #29 | add some foreign keys in the migration
refs #29 | clean up migration
refs #29 | add query string if login failed
Merge branch 'master' into social-login

Conflicts:
	composer.lock
	src/Synapse/User/UserService.php
Merge pull request #29 from synapsestudios/social-login

Add social login