1.4.6 update - readme updated to reflect new screenshots.

git-svn-id: https://plugins.svn.wordpress.org/post-edit-toolbar/trunk@967908 b8457f37-d9ea-0310-8a92-e5e31aec5664
1.4.6 update - Screenshot descriptions

git-svn-id: https://plugins.svn.wordpress.org/post-edit-toolbar/trunk@967915 b8457f37-d9ea-0310-8a92-e5e31aec5664