fixed conflict with pre-existing isotope library
centered sorting buttons
better aligned logo images towards bottom


git-svn-id: https://plugins.svn.wordpress.org/couponsindemand/trunk@966414 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated stable version number to 2.1

git-svn-id: https://plugins.svn.wordpress.org/couponsindemand/trunk@966416 b8457f37-d9ea-0310-8a92-e5e31aec5664