OPENAM-4037 - Resolved error code issue where an HTTP 500 response was given for an unauthorised login attempt over REST (should be 401)

git-svn-id: https://svn.forgerock.org/openam/trunk@9095 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d
DOCS-28/FR-182-Improve cover page for PDF docs. Update OpenAM docs, except OpenAM-Jee-Install-Guide.

git-svn-id: https://svn.forgerock.org/openam/trunk@9097 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d