Creation of a ResourceBundle for button text with respect to #26.
Added a locale, currently hard coded to US.
OPEN - task 13: Runtime Error Alerts 
http://github.com/chrslgn/TransitIon/issues/issue/13

Incomplete, but have a semi-working base for a start.
Code cleanup, refactoring, and javadocs
OPEN - task 13: Runtime Error Alerts 
http://github.com/chrslgn/TransitIon/issues/issue/13