readme.txt 1.4 trunk update

git-svn-id: https://plugins.svn.wordpress.org/ank-prism-for-wp/trunk@1029222 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme.txt 1.4 update2

git-svn-id: https://plugins.svn.wordpress.org/ank-prism-for-wp/trunk@1029225 b8457f37-d9ea-0310-8a92-e5e31aec5664