Update version 1.0.6 

git-svn-id: https://plugins.svn.wordpress.org/delete-multiple-themes/trunk@858881 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fix plugin version

git-svn-id: https://plugins.svn.wordpress.org/delete-multiple-themes/trunk@858887 b8457f37-d9ea-0310-8a92-e5e31aec5664