sharding: give scale for size param in chunksize

Signed-off-by: Sam Kleinman <samk@10gen.com>
english fixes, remove the and remove article

Signed-off-by: Sam Kleinman <samk@10gen.com>
fix param name in renameCollection

Signed-off-by: Sam Kleinman <samk@10gen.com>
remove 'does' and trailing whitespace in document page

Signed-off-by: Sam Kleinman <samk@10gen.com>
fix language around geospatial keys

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