Fix for OPENAM-1569 - review: CR-570
Removing ldapsubentry from LDAP searches, enhancing OpenLDAP support

git-svn-id: https://svn.forgerock.org/openam@4097 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d
Merging 4081 4086 4087 4090 4095 from trunk

git-svn-id: https://svn.forgerock.org/openam@4098 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d