changes to readme.txt

git-svn-id: https://plugins.svn.wordpress.org/waterwoo-pdf/trunk@1013903 b8457f37-d9ea-0310-8a92-e5e31aec5664
changes to readme.txt

git-svn-id: https://plugins.svn.wordpress.org/waterwoo-pdf/trunk@1013904 b8457f37-d9ea-0310-8a92-e5e31aec5664