Branching out intrusion detection branch. No intrusion detection work

was done yet.

User MUST use both PGP certificates and username/password as log in

methods. He IS required to use both.

User may use both PGP certificates and username/password as log in

methods. He is NOT required to use both. Any log in method is
sufficient.

User names, passwords, roles and permissions moved from Shiro.ini to

database.

Added function level authorization.

Branching unsecured simple Shiro application. In the unsecured

application anybody can do any work and see all the pages.