CheckHistogram: Overhaul, removed boost dependencies
CheckHistogram: New methods SetGridFile and SetWorkingDirectory

Also ran through astyle
IndraSiCsi: Minor tweaks for now
SystemController: Ran through astyle
CheckHistogram: Renamed directory

Also updated Makefile for indra_sicsi
CheckHistogram: Added a small makefile to explain code
indra_sicsi: Added a comment to explain the code