version 1.8

git-svn-id: https://plugins.svn.wordpress.org/combine-css/trunk@941819 b8457f37-d9ea-0310-8a92-e5e31aec5664
version 1.8 settings change

git-svn-id: https://plugins.svn.wordpress.org/combine-css/trunk@941820 b8457f37-d9ea-0310-8a92-e5e31aec5664