Version 1.8.0 widget visablity and co-authors

git-svn-id: https://plugins.svn.wordpress.org/author-avatars/trunk@788426 b8457f37-d9ea-0310-8a92-e5e31aec5664
trying to get upgrade notice to work

git-svn-id: https://plugins.svn.wordpress.org/author-avatars/trunk@788435 b8457f37-d9ea-0310-8a92-e5e31aec5664
tweek

git-svn-id: https://plugins.svn.wordpress.org/author-avatars/trunk@788436 b8457f37-d9ea-0310-8a92-e5e31aec5664
text update

git-svn-id: https://plugins.svn.wordpress.org/author-avatars/trunk@788438 b8457f37-d9ea-0310-8a92-e5e31aec5664