Added olark, added mixpanel tracking everywhere, simulator now loads https and non https

git-svn-id: https://plugins.svn.wordpress.org/mobiloud-mobile-app-plugin/trunk@1050968 b8457f37-d9ea-0310-8a92-e5e31aec5664
Made all config.php values return empty string instead of null

git-svn-id: https://plugins.svn.wordpress.org/mobiloud-mobile-app-plugin/trunk@1050969 b8457f37-d9ea-0310-8a92-e5e31aec5664