Some improvements. Bump into 2.0.0 version.

git-svn-id: https://plugins.svn.wordpress.org/mobeye-widget/trunk@1033056 b8457f37-d9ea-0310-8a92-e5e31aec5664
Typo fixes

git-svn-id: https://plugins.svn.wordpress.org/mobeye-widget/trunk@1033059 b8457f37-d9ea-0310-8a92-e5e31aec5664