pass -Dproc_reef property to all REEF java processes. closes #347
Merge pull request #850 from Microsoft-CISL/sergiym_launch_id

pass -Dproc_reef property to all REEF java processes.
Merge branch 'master' of github.com:Microsoft-CISL/REEF into sergiym_refactor_failing_dl
refactored LineCounter class in the DL example