Multiauth: Added functionality to bypass the select source page if the authsource id is known. Append 'source=AUTHSOURCEID' to query to apply. 


git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@2245 44740490-163a-0410-bde0-09ae8108e29a

Add the multiauth module, which allows the user to choose the
authentication source that should be used for authentication.

This module was created by Lorenzo Gil.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@1805 44740490-163a-0410-bde0-09ae8108e29a