DOCS-2489 clarify that removeShard is run on admin db

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-2489: edits to removeShard command reference
stray "test link"

Signed-off-by: Sam Kleinman <samk@10gen.com>
Update monitor-with-snmp-on-windows.txt

Signed-off-by: Sam Kleinman <samk@10gen.com>
add mongorestore path option to yaml files
DOCS-2501 minor
DOCS-2501 runtime options: mongoperf
DOCS-2501 runtime options: mongostat