- implemented a basic debugging log
- CURL required error messages 

git-svn-id: https://plugins.svn.wordpress.org/google-analytics-dashboard-for-wp/trunk@875016 b8457f37-d9ea-0310-8a92-e5e31aec5664
- remove light style

git-svn-id: https://plugins.svn.wordpress.org/google-analytics-dashboard-for-wp/trunk@875019 b8457f37-d9ea-0310-8a92-e5e31aec5664