Make new-survey-button div clickable. Edit html tags in create-survey JS to give a more aligned look. Edit color and margin of result graphs. Refactor CSS file. Minor edit on take-survey form.
Merge pull request #18 from bneuman619/st/css-tweaks

Make new-survey-button div clickable. Edit html tags in create-survey JS...
added charts using javascript library d3
chose not to print bar value if value is 0
corrected merge issues onto branch