for testing purpose in jenkins grid

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1439689 13f79535-47bb-0310-9956-ffa450edef68
use last wagon and last httpclient version

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1439690 13f79535-47bb-0310-9956-ffa450edef68
remove use of deprecated class

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1439691 13f79535-47bb-0310-9956-ffa450edef68