- Added some comments to the code.
- General clean-up.
- Admin notices now only display on the WP Statistics pages and display as warnings instead of errors.
- Admin notices have softer wording.

git-svn-id: https://plugins.svn.wordpress.org/wp-statistics/trunk@948282 b8457f37-d9ea-0310-8a92-e5e31aec5664