Issue #51 Correct the Slot millis seen in hadoop2 counters
Issue #51 Updating the code structuring
Issue #51 Restructuring the constructor for history files to include the jobConf
Issue #51 updating some slight formatting
Issue #51 Updating exception messages and adding formatting changes
Merge pull request #52 from vrushalic/slot_millis_correction

Issue #51 Correct the Slot millis seen in hadoop2 counters