upgrade to jetty 8.1.9.v20130131

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1442416 13f79535-47bb-0310-9956-ffa450edef68
require 2.1.4 and text.js 2.0.5

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1442418 13f79535-47bb-0310-9956-ffa450edef68
remove old require js 2.1.2

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1442419 13f79535-47bb-0310-9956-ffa450edef68