2014-05-08  Eric Kuecks  <ekuecks.ucla.edu>

	* lib/data: Added this directory. Inside are yaml files containing
	all necessary hashes for the gem.

	* lib/geolookup.rb: Added self.load_hash_from_file function to
	load a hash from a yaml file.

	* lib/geolookup/usa/county.rb: Removed constant hashes and replaced with
	instance fields to be loaded from the yaml files in /lib/data.

	* lib/geolookup/usa/state.rb: Removed constant hashes and replaced with
	instance fields	to be loaded from the yaml files in /lib/data.

	* lib/geolookup/country.rb: Removed constant hashes and replaced with
	instance fields to be loaded from the yaml files in /lib/data.