The login manager is responsible for suppling the login methods for the user
store object. This is the object that will be responsible for retrieving user
information, and validating user logons against the store.
author: Brett Chaldecott
This method returns the login handler for the given auth type.
The login handler that can handle the given auth type. Parameters: type - The type of login. exception: LoginException -
This method returns true if the login manager can handle the requested
authentication type.
TRUE if it can FALSE if not. Parameters: type - The type of auth to check.