Also update contents of .gitignore from same.

This should have been part of commit 70cc64ee.

This allows the same model to be forward and reverse geocoded and still
provide a geocodable address though a non-attribute method. Also raise
an exception if sufficient configuration is not provided.

Move relevant methods into it.

Be more descriptive.

Move all network/lookup-related methods into it.

Move some methods into it (organize!).

This fixes an incompatibility with the will_paginate gem.

This fixes SQLite near methods and speeds up MySQL and Postgres.

Add a GROUP BY clause which yields correct SQL. (Incorrect query is
accepted by MySQL and SQLite but not PostgreSQL.)

Stop allowing full :conditions option to near_scope_options (was
deprecated, now it's gone). Update installation documentation.

Should be slightly faster and we avoid an ugly REXML require statement.

"bad" = non-200 HTTP code

We were checking for a blank query in fetch_coordinates, now we do it in
_fetch_xml.

Was using version 2. Version 3 no longer requires an API key so this is a big
improvement to the getting started experience.

Update to-do list and changelog.