'2.0'

git-svn-id: https://plugins.svn.wordpress.org/nextgen-gallery-optimizer/trunk@1042991 b8457f37-d9ea-0310-8a92-e5e31aec5664
Remove Mac system files

git-svn-id: https://plugins.svn.wordpress.org/nextgen-gallery-optimizer/trunk@1043000 b8457f37-d9ea-0310-8a92-e5e31aec5664
Remove Mac system files again

git-svn-id: https://plugins.svn.wordpress.org/nextgen-gallery-optimizer/trunk@1043004 b8457f37-d9ea-0310-8a92-e5e31aec5664