Corrected "typo" in acronym (Rest => REST)

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@7102 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d
Fix for OPENAM-2842
CR-2526

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@7108 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d