AME-4255, CR-4403 - Added Content-API-Version to Version Router Responses to indicate the chosen version of a resource.

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@10337 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d
AME-3987 Changes to support testing methods. Informal review performed over HipChat with David Luna

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@10338 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d