CR-3284 Move to latest doc tools

This introduces a dependency on a -SNAPSHOT in order to check that everything runs fine in Jenkins as well before the release, which is coming real soon now.

If ever the whole thing goes wrong, or we cannot release, I'll revert to remove the -SNAPSHOT dependency.

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@8515 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d