Backport the hadoop-openstack module from trunk to branch-1.
This will need a build.xml file to build it, ivy set up to add any extra dependencies and testing. There's one extra FileSystem method in 2.x that we can drop for branch-1.
FWIW I've already built and tested hadoop-openstack against branch 1 by editing the .pom file and having that module build against 1. Before the move from isDir() to isDirectory() it compiled and ran fine