* refactor to clean up LDAP login, and make the login method easier to handle.
* Login refactor cleanup
* Google 2FA package
* Adds Google Authenticator two-factor
* Removed unused blade
* Added optin setting in profile
* Removed dumb comments
* Made lock_passwords check more consistent
* Additional two factor strings
* Lock passwords check
* Display feature disabled text if in demo mode
* Two factor admin reset options
* Translation strings
LDAP no longer fails completely when the connection settings are wrong, or when app key is messed up. Rather than auth as the admin user and search, we auth as the user themselves. Admin auth is only for LDAP sync now.
This should mean much fewer problems with donked LDAP settings and login.