[PLINK-613] - JPAIdentityStore: cannot revoke all permissions if using bitmasks.
Merge pull request #419 from pedroigor/master

[PLINK-613] - JPAIdentityStore: cannot revoke all permissions if using bitmasks.
[PLINK-273] - SAML SP should process Ajax requests.
Merge pull request #420 from pedroigor/master

[PLINK-273] - SAML SP should process Ajax requests.