[OPENAM-3244, OPENAM-3258]Prevent disk overloading, describe how to create CTS indexes, QA input via email/Google Doc.

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@7197 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d
CTS info, based on QA comments, to emphasize that OpenDJ is the only supported CTS data store option.

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@7199 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d