update 2.0.1
* Fixed Strict standards: non-static method
* Fixed empty variables
* Fixed empty campaigns notice
* Register actions moved to constructor
* Tested up to: 3.8.2

git-svn-id: https://plugins.svn.wordpress.org/getresponse-integration/trunk@891109 b8457f37-d9ea-0310-8a92-e5e31aec5664