OPENAM-2467 REST Auth endpoint reporting an IWA failure when using Http Basic Auth

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@5557 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d
OPENAM-2467 REST Auth endpoint reporting an IWA failure when using Http Basic Auth

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@5558 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d