Created all graphs as per specifications.
Merge branch 'master' of https://github.com/jawadrashid2011/ExData_Plotting1

# By Roger D. Peng [amelia] (2) and Roger D. Peng (1)
# Via Roger D. Peng [amelia]
* 'master' of https://github.com/jawadrashid2011/ExData_Plotting1:
  Forgot to add figures to repo
  Update README with instructions
  Initial commit