Update screenshots and tag code to point to new version

git-svn-id: https://plugins.svn.wordpress.org/hashcore/trunk@869061 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update tags with updated version

git-svn-id: https://plugins.svn.wordpress.org/hashcore/trunk@869065 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update readme file

git-svn-id: https://plugins.svn.wordpress.org/hashcore/trunk@869079 b8457f37-d9ea-0310-8a92-e5e31aec5664