OPENAM-4491 CR-4574 Update XUI and policy UI REST calls

XUI and policy UI REST calls have had their Accept-API-Version headers
to reference the latest version of the REST endpoints

git-svn-id: https://svn.forgerock.org/openam/trunk@10551 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d
OPENAM-4452 Removed stray "{" on XUI OAuth2 Token Self-Service

git-svn-id: https://svn.forgerock.org/openam/trunk@10557 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d
AME-4478, AME-4475, CR-4562 Simplify edit app

git-svn-id: https://svn.forgerock.org/openam/trunk@10559 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d
OPENAM-4490 Reviewed by David Luna.  Fix the "Missing client type" message currently returned by OAuth2/OpenID Connect client registration endpoint.

git-svn-id: https://svn.forgerock.org/openam/trunk@10562 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d
OPENAM-3733 CR-4552 Bring the OAuth2 and OpenId Connect error responses inline with the specification.

git-svn-id: https://svn.forgerock.org/openam/trunk@10563 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d