OPENAM-3732 CR-3166  Parse the response types returned by the settings to get the set of available response_types.

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@8327 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d
OPENAM-3732 CR-3167 The implicit flow should only return an id_token when the scope openid is set.

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@8328 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d
OPENAM-3732 CR-3167 Undoing commit improper commit message

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@8329 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d