Updated to API 0.3

git-svn-id: https://plugins.svn.wordpress.org/gathercontent-import/tags/2.3.0@852660 b8457f37-d9ea-0310-8a92-e5e31aec5664
Create branch trunk

git-svn-id: https://plugins.svn.wordpress.org/gathercontent-import/branches/trunk@891306 b8457f37-d9ea-0310-8a92-e5e31aec5664