added support for JRuby via jgeo-ip gem
added jgeo-ip gem dependency
reduced duplication
reduced duplication
Merge branch 'master' of git://github.com/gxbe/geocoder into pr/588
Reduce code duplication.
Merge branch 'master' of github.com:alexreisner/geocoder

Conflicts:
	lib/geocoder/lookups/maxmind_local.rb
Update CHANGELOG with recent commits.