Init 2.1.5

git-svn-id: https://plugins.svn.wordpress.org/cachify/branches/2.1.5@879533 b8457f37-d9ea-0310-8a92-e5e31aec5664
Cachify 2.1.5

git-svn-id: https://plugins.svn.wordpress.org/cachify/branches/2.1.5@888905 b8457f37-d9ea-0310-8a92-e5e31aec5664
Cachify 2.1.5

git-svn-id: https://plugins.svn.wordpress.org/cachify/trunk@888908 b8457f37-d9ea-0310-8a92-e5e31aec5664