minor: fixing xref
fixing syntax of example
pulling text search covered query document
chainging version added tag for chaining allowed feature
Revert "pulling text search covered query document"

This reverts commit 5ddd5b9de134d0f1b8b1c3dcc2a1014c25a169fd.
build: reorganizing clean targets
incredibly trivial typo

Signed-off-by: Sam Kleinman <samk@10gen.com>
build: fixing the custom admonition types and reorganizing sphinx extension