Updated c.t.h.Hfs to improve duplicate identifier check performance.
Updated Hadoop platform to fail during planning if "mapred.job.tracker" is not set.
file name mangling, when tests are submitted from windows
Merge remote-tracking branch 'upstream/wip-2.2' into wip-2.2
Creating a customized Thread Pool implementation, specifically for Local
Mode, allowing us to override particular properties as required
Merge branch 'wip-2.2' of github.com:etheriau/cascading into wip-2.2