Bump to 2.0.3 dev.
Fix display of the "permission denied" box.

The box for the permission denied message was missing some elements, which made
it look very ugly. This fixes that.

Testing done:
Anonymously looked at a review request with anon access turned off.

Reviewed at https://reviews.reviewboard.org/r/5981/
Merge branch 'release-2.0.x'