Update website

git-svn-id: https://svn.apache.org/repos/asf/karaf/site/trunk@1631901 13f79535-47bb-0310-9956-ffa450edef68
Fixing link

git-svn-id: https://svn.apache.org/repos/asf/karaf/site/trunk@1631904 13f79535-47bb-0310-9956-ffa450edef68