AME-3196 (CR-3513) support for policy tree evaluation

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@9085 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d
OPENAM-4032 -Resolved NPE in Upgrade for missing Entitlement Config. Code Review - Peter Major

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@9087 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d