some changes

git-svn-id: https://plugins.svn.wordpress.org/sis-nicescroll/trunk@993350 b8457f37-d9ea-0310-8a92-e5e31aec5664
some changes

git-svn-id: https://plugins.svn.wordpress.org/sis-nicescroll/trunk@993351 b8457f37-d9ea-0310-8a92-e5e31aec5664