Tested for Wordpress 3.9 and added better handling of connection erros

git-svn-id: https://plugins.svn.wordpress.org/adbutler/trunk@895096 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixed Widgets on Customize screen

git-svn-id: https://plugins.svn.wordpress.org/adbutler/trunk@895314 b8457f37-d9ea-0310-8a92-e5e31aec5664
Modified Version and change log

git-svn-id: https://plugins.svn.wordpress.org/adbutler/trunk@895319 b8457f37-d9ea-0310-8a92-e5e31aec5664