removed unnecessary fields, added field for Google, Facebook, Twitter... data, removed canonicals
rename fos_user -> api_user
Merge branch 'master' of https://github.com/FriendsOfSymfony/FOSUserBundle

Conflicts:
	.travis.yml
	Changelog.md
	Controller/RegistrationController.php
	DependencyInjection/FOSUserExtension.php
	Form/Type/RegistrationFormType.php
	Resources/config/doctrine/model/Group.couchdb.xml
	Resources/config/doctrine/model/User.couchdb.xml
	Resources/config/listeners.xml
	Resources/config/validation.xml
	Resources/doc/doctrine.md
	Resources/doc/groups.md
	Resources/doc/overriding_templates.md
	Resources/translations/FOSUserBundle.ca.yml
	Resources/translations/FOSUserBundle.es.yml
	Resources/translations/FOSUserBundle.ja.yml
	Resources/translations/FOSUserBundle.nb.yml
	Resources/translations/FOSUserBundle.pl.yml
	Resources/translations/FOSUserBundle.ru.yml
	Resources/translations/FOSUserBundle.sk.yml
	Resources/translations/validators.cs.yml
	Tests/DependencyInjection/FOSUserExtensionTest.php