Update: trunk with local working copy to release version 1.2

git-svn-id: https://plugins.svn.wordpress.org/mg-post-contributors/trunk@995134 b8457f37-d9ea-0310-8a92-e5e31aec5664
Delete: Unwanted images Avatar.png and Name+Avatar.png

git-svn-id: https://plugins.svn.wordpress.org/mg-post-contributors/trunk@995136 b8457f37-d9ea-0310-8a92-e5e31aec5664