remove whitespaces after function and class names

since it contradicts with existing conventions

Change-Id: Ifcabe238684137bbac7f245f673a8fc7a221533b
Reviewed-on: http://review.couchbase.org/34103
Reviewed-by: Aaron Miller <apage43@ninjawhale.com>
Tested-by: Aaron Miller <apage43@ninjawhale.com>
use 2 blank lines before class declaration

according to PEP 8.

Change-Id: I05c99dfc10232ad667ba6c12d21653abb6731b78
Reviewed-on: http://review.couchbase.org/34104
Reviewed-by: Aaron Miller <apage43@ninjawhale.com>
Tested-by: Aaron Miller <apage43@ninjawhale.com>
get rid of comments that only repeat class names

Change-Id: I68b05e366be3cb598d0866c65b665840c5497a6b
Reviewed-on: http://review.couchbase.org/34105
Reviewed-by: Aaron Miller <apage43@ninjawhale.com>
Tested-by: Aaron Miller <apage43@ninjawhale.com>
minor code cleanup

based on common sense and PEP 8

Change-Id: Ibe3a956fb0aaf78c0691ada46d59c07354362e5c
Reviewed-on: http://review.couchbase.org/34106
Reviewed-by: Aaron Miller <apage43@ninjawhale.com>
Tested-by: Aaron Miller <apage43@ninjawhale.com>