readme.txt update

git-svn-id: https://plugins.svn.wordpress.org/gallery-bank/trunk@814798 b8457f37-d9ea-0310-8a92-e5e31aec5664
Version Update

git-svn-id: https://plugins.svn.wordpress.org/gallery-bank/trunk@814799 b8457f37-d9ea-0310-8a92-e5e31aec5664