- Minor grammatical update.

git-svn-id: https://plugins.svn.wordpress.org/wp-statistics/trunk@1009564 b8457f37-d9ea-0310-8a92-e5e31aec5664
- Updates for 8.1 release.

git-svn-id: https://plugins.svn.wordpress.org/wp-statistics/trunk@1009565 b8457f37-d9ea-0310-8a92-e5e31aec5664