DOCS-1313: Document repairDatabase options

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOC-1313: edits
DOCS-477 sync a new member

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-477: edits
DOCS-848: tutorial sharded cluster to replica set

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-848: edits
redirect: adding for new tutorials
Rewrote and corrected how tag ranges are handled

After looking into the code and discussing with Richard and Oz.

Signed-off-by: Sam Kleinman <samk@10gen.com>
minor: syntax fix