Commiting working code.
Changes to be committed:
	modified:   PA1_template.Rmd
	modified:   README.md
	new file:   activity.csv
	deleted:    doc/instructions.pdf
	new file:   figure/unnamed-chunk-2.png
	new file:   figure/unnamed-chunk-4.png
	new file:   figure/unnamed-chunk-7.png
Adding .html output and .md intermediate output.