new version 1.6.0.0

git-svn-id: https://plugins.svn.wordpress.org/dutch-auction-masters/trunk@840348 b8457f37-d9ea-0310-8a92-e5e31aec5664
remove old files 

git-svn-id: https://plugins.svn.wordpress.org/dutch-auction-masters/trunk@840351 b8457f37-d9ea-0310-8a92-e5e31aec5664