minor code style changes.

Signed-off-by: David Black <dblack@atlassian.com>
some more minor style changes.

Signed-off-by: David Black <dblack@atlassian.com>
use consistent indentation in setup.py (of 4 spaces).

Signed-off-by: David Black <dblack@atlassian.com>
other minor style fix ups.

Signed-off-by: David Black <dblack@atlassian.com>
minor style fix up.

Signed-off-by: David Black <dblack@atlassian.com>