no bug - small formatting fix for docs
Merge pull request #2471 from rhelmer/nobug-doc-formatting

no bug - small formatting fix for docs
added "HeapFree" to signature prefex regex
Merge pull request #2473 from twobraids/heapfree

fixes bug 1018575 - added "HeapFree" to signature prefix regex
refactor Ceph out of the picture