Added "Download Selected Images" (ZIP) option 

git-svn-id: https://plugins.svn.wordpress.org/pixproof/trunk@984336 b8457f37-d9ea-0310-8a92-e5e31aec5664
Version Change 1.1.0

git-svn-id: https://plugins.svn.wordpress.org/pixproof/trunk@984340 b8457f37-d9ea-0310-8a92-e5e31aec5664