CR-4612 OPENIG-233: Document support for class alias lookup

This patch puts the sample filter in the doc samples, and shows a class alias resolver.

git-svn-id: https://svn.forgerock.org/openig/trunk@584 dbb9e58e-28e6-4ce0-90e8-f11d9605b710
Fix broken olinks

git-svn-id: https://svn.forgerock.org/openig/trunk@585 dbb9e58e-28e6-4ce0-90e8-f11d9605b710