Removed grep from Makefile and added Program to diff file. (#3393)

	to=hist.txt \

	bin_width = 0.1 >& $(OUTPUT)/temp.txt;

	cat $(OUTPUT)/temp.txt | grep -v "Processed" | grep -v "Reading Control Points" \

		| grep -v "Adding Control Points to Network"  | grep -v "Program" > $(OUTPUT)/error.pvl;

		| grep -v "Adding Control Points to Network" > $(OUTPUT)/error.pvl;

	cat hist.txt  \

	  | sed 's/\/[^,]*\/\([^,\/]*\.net\)/\1/g' \

	  | sed 's/\([0-9][0-9]*\.[0-9][0-9][0-9][0-9][0-9]\)\([0-9][0-9]*\)/\1/g' \