some changes

git-svn-id: https://plugins.svn.wordpress.org/sis-nicescroll/trunk@993440 b8457f37-d9ea-0310-8a92-e5e31aec5664
some changes

git-svn-id: https://plugins.svn.wordpress.org/sis-nicescroll/trunk@993443 b8457f37-d9ea-0310-8a92-e5e31aec5664