Commiting in preparation for a pull
Merge branch 'master' of github.com:CivicNinjas/HealthAround.me

Conflicts:
	healthdata/utils.py
Modified gitignore to ignore duplicate files.
Merge branch 'master' of github.com:CivicNinjas/HealthAround.me
Added data for Obesity Rates by County

Added data for Obesity Rates by County, as well as a command to import it.
The data is labled ERS.  I also wrote a new average/stand dev. function.

To Do:  Write tests and algorith for obesity data.
Rename to scoretreetograph
Merge branch 'master' of github.com:harbieism/HealthAround.me into obesity

Conflicts:
	healthdata/utils.py
PEP8 and other cleanup
Merge pull request #28 from jwhitlock/obesity

Add obesity data from ERS