2.5.3 with WordPress 3.8.1 compatibility

git-svn-id: https://plugins.svn.wordpress.org/cashie-commerce/tags/2.5.3@858034 b8457f37-d9ea-0310-8a92-e5e31aec5664
clean dev branch from the 2.5.3 tag

git-svn-id: https://plugins.svn.wordpress.org/cashie-commerce/branches/dev2@889561 b8457f37-d9ea-0310-8a92-e5e31aec5664
use tokens instead of inserting script tags
support for WP 3.9

git-svn-id: https://plugins.svn.wordpress.org/cashie-commerce/branches/dev2@906425 b8457f37-d9ea-0310-8a92-e5e31aec5664
update version and release notes

git-svn-id: https://plugins.svn.wordpress.org/cashie-commerce/branches/dev2@906429 b8457f37-d9ea-0310-8a92-e5e31aec5664
3.0.0 ready to rock

git-svn-id: https://plugins.svn.wordpress.org/cashie-commerce/branches/dev2@972670 b8457f37-d9ea-0310-8a92-e5e31aec5664
3.0.0 ftw

git-svn-id: https://plugins.svn.wordpress.org/cashie-commerce/trunk@972671 b8457f37-d9ea-0310-8a92-e5e31aec5664