not needed variable declaration

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1547290 13f79535-47bb-0310-9956-ffa450edef68
start to move out maven specific from dav part

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1547291 13f79535-47bb-0310-9956-ffa450edef68
use tomcat here

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1547292 13f79535-47bb-0310-9956-ffa450edef68