Changes a 1 to a 2 ooops

git-svn-id: https://plugins.svn.wordpress.org/post-tiles/trunk@1000780 b8457f37-d9ea-0310-8a92-e5e31aec5664
Minor JS bug fix with responsive calculations

git-svn-id: https://plugins.svn.wordpress.org/post-tiles/trunk@1000782 b8457f37-d9ea-0310-8a92-e5e31aec5664