Split the login server repo into separate maven projects

Common code goes to a common jar
Login server is it's own maven project
Add the saml login server to the repo

[Fixes #46116697]
Enable command line users to use a one time code to authenticate with the saml login server
Added the authenticate url to the login server
Fixed the code after rebase
Fixed jsp EL to work on tomcat7
Externalized a couple of customizable properties
Fixed an additional issue with the request matcher
Code review feedback
Merge pull request #16 from joeldsa/develop

Add saml login server to the login server repository