Whitespace fix.

Change-Id: If01ba23a8c56dbce80b866ec7e5a394f0c01646a
Make the refresh button fit better when viewed in Chrome.

Chrome puts a grey background in, even when there's a background
image, so force it to be transparent.

Change-Id: I3b3d4291b306f062f9e21c9a9065d96b1889a705
Bump minor version for add is_$ROLE functionality.

I should have done this in 718f36641e76f735b2ca89 instead of bumping
the patch revision number. This means that 3.3.0 is functionally
equivalent to 3.2.2.

Change-Id: I95920b62c5e80cc39e9efd2b5df65f58eb74dff8