Added empty Related.java class, part2 of assignment.
Merge branch 'master' of https://github.com/liranoz12/dsp

* 'master' of https://github.com/liranoz12/dsp:
  uploading results from each step to s3
Lots of cosmetic changes, and moved many constants to utils; Upadted in/ test files.
JobFlow now reads top PMI pairs properly; Added constant to set amazon VS local args index.
Fixed path typos, and cahnged instance type to 2xlarge.