frontend fixes

git-svn-id: https://plugins.svn.wordpress.org/clicky-analytics/trunk@756609 b8457f37-d9ea-0310-8a92-e5e31aec5664
return content when error occurs on frontend

git-svn-id: https://plugins.svn.wordpress.org/clicky-analytics/trunk@756611 b8457f37-d9ea-0310-8a92-e5e31aec5664