Merge branch 'master' into develop
Added support for older data file layout (fixes #1)
Closing window now exits the program (added default close action to jframe)
Updated readme
cleaned out some old commented code
Only uses 5 digit zip codes (fixes #3)
Only uses 5 digit zip codes (fixes #3)
Reports test date for older data layout results to the 15th of the test month (day isn't represented in data file).
Added new info to README.