Updates for 2.7
[ACTION REQUIRED BY ADMINISTRATOR] as the Google API used by the plugin is been deprecated soon, the plugin now uses the recommended Google+ API. See CHANGELOG.md
Updates for 2.7
Merge pull request #69 from lsuits/master

Updates for 2.7
Deprecated scope in the Google links #71
Merge branch 'master' of https://github.com/mouneyrac/moodle-auth_googleoauth2
https://github.com/Bepaw/moodle-auth_googleoauth2/issues/1
Add community edition message
Update COMMUNITYEDITION.md
Update COMMUNITYEDITION.md
Update COMMUNITYEDITION.md
More helpful information about Google and Facebook
show an error message when user can't authenticate by `authenticate_user_login()` call
show an instrutive error message when user can't authenticate via `authenticate_user_login()` call
show an instrutive error message when user can't authenticate via `authenticate_user_login()` call
possible cause is email registered by another auth plugin
correct urls to login page and forgot password
correct urls to login page and forgot password (cast to string)
Check that a failed authentication is due to an email already in use
Some Spanish strings added

Conflicts:
	lib.php
Language strings