upgrade commons-parent; introduce commons-proxy2 distribution module, renaming original module of this artifactId to commons-proxy2-core, clone other multimodule setup from [weaver]

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/proxy/trunk@1579652 13f79535-47bb-0310-9956-ffa450edef68
12 files changed