update 2.0

git-svn-id: https://plugins.svn.wordpress.org/pixabay-images/trunk@926633 b8457f37-d9ea-0310-8a92-e5e31aec5664
update 2.0

git-svn-id: https://plugins.svn.wordpress.org/pixabay-images/trunk@926640 b8457f37-d9ea-0310-8a92-e5e31aec5664