Bump to 1.0.2 from Github

git-svn-id: https://plugins.svn.wordpress.org/edit-author-slug/trunk@981489 b8457f37-d9ea-0310-8a92-e5e31aec5664
Welp, that happened. Remove all unnecessary files.

git-svn-id: https://plugins.svn.wordpress.org/edit-author-slug/trunk@981493 b8457f37-d9ea-0310-8a92-e5e31aec5664
Missed a file

git-svn-id: https://plugins.svn.wordpress.org/edit-author-slug/trunk@981497 b8457f37-d9ea-0310-8a92-e5e31aec5664