Remove the debugger gem dependency
Use the proper (secure) RubyGems source
Simplify the Rakefile
Use Bundler's default .gitignore for new gems

…plus a couple of project specific ignored files.
Clean up and rename the license file
Clean up the gemspec, using Bundler's default as a guide
Fix dependency loading to ensure runtime code requires dependencies
Make the rails gem a runtime dependency
Fuzzy match the runtime graticule dependency on major version
Remove mysql adapter support (in favor of mysql2) and add pg
Reconfigure test suite database connections
Default to SQLite when running the test suite
Remove a deprecation warning when establishing a database connection
Test against Ruby 2.0 and 2.1
Test against supported Rails versions
Test against every database adapter on Travis
Attempt to preserve backwards compatibility for geocoding association
Install the required MySQL adapter for Rails 3.0
Don't use ActiveSupport::Concern

This keeps the dependency footprint small(er).
Remove RSpec deprecation warnings in preparation for RSpec 3