[OPENAM-2410]Update isForceAuthn and isPassive JavaDoc in AuthnRequest.

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@7371 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d
[OPENAM-2259]Improve definition of DNS Alias (our definition, with realms, does not conform to RFC 2219)

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@7372 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d