theme: removing redundant links
DOCS-1358 adding cross reference
Minor correction on markup to mongo Shell reference

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-1491 add totalCreated under server status connections

Signed-off-by: Sam Kleinman <samk@10gen.com>
Doesn't convert array to set;just doesn't add dups

If dups already exist then calling $addToSet will not make the array a set -- it only affects what will happen for the add operation.