AME-1568, Update Release Notes for completed changes and new elements; CR-1567

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@5135 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d
OPENAM-2354, Zero Page Login should be configurable; CR-1569

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@5136 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d