Build/Sites changes:

 - replace maven generated ant build with hand written one
 - remove build-check-jdk13.xml (replaced by "compile.jdk13" target in build.xml)
 - minor m1 & m2 build/site updates


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@611449 13f79535-47bb-0310-9956-ffa450edef68

Author: Niall Pemberton