bump to 3.18

git-svn-id: file:///srv/repos/svn-packages/svn@227694 eb2447ed-0c53-47e4-bac8-5bc4a241df78
bump to 3.18.1

git-svn-id: file:///srv/repos/svn-packages/svn@227695 eb2447ed-0c53-47e4-bac8-5bc4a241df78