Add Ruby, OS X, and Vim ignores.
Add raw state and county data.

Original URLs for data files:

http://www.census.gov/geo/reference/docs/state.txt
http://www.census.gov/geo/reference/docs/codes/national_county.txt
Set up initial RSpec config.
Ignore RVM config.
Merge branch 'master' into develop
Remove extra license file.
Add RSpec task to Rakefile.
Ignore bin directory.
Define initial state specs.
Implement basic state API.
Implement County class.
Round out the State spec and class.
Update gem summary.
Add basic API documentation.
Merge branch 'release/v0.0.1'