* Added support for AMap, aka AutoNavi Map, 高德地图

* Try to include amap error info if failed

* Get correct result from amap response

* Fix result error in amap return

* Refactor codes for AMap handling

* Refactor codes for amap result handling

* Refactor amap handling codes

* Fixed coordinates handling error

* Added tests

* Fixded amap result handling and tests

* Lock webmock on 2.3.2 for ruby 1.9.3 support

Maxmind geoip2 returns a collection of names in all available languages
for each field.
This commit allows us to change the language of a single result without
having to reconfigure Geocoder.

* Create methods removing port from ip addresses; Add test

* Update geocoder_reject_non_ipv4_addresses; Add more tests

Update smarty streets results coordinates method to return nil when both latitude and longitude do not exist

TypeError: ActiveSupport::Duration can't be coerced into Integer

DEPRECATION WARNING: Passing a string to
ActiveRecord::Base.establish_connection for a configuration lookup is
deprecated, please pass a symbol (:sqlite) instead.

In the sea for example
[Fix #1131]

add new lookup to lookup.rb

add new lookup file ban_data_gouv_fr.rb

add new results file ban_data_gouv_fr.rb

update README with new lookup

create fixtures to test  new lookup

create unit test file for new lookup

update test helper default fixture for new lookup

remove invalid multibyte char (US-ASCII) 'ç' from lookup name

Revert "remove invalid multibyte char (US-ASCII) 'ç' from lookup name"

This reverts commit 7dbfcab4dc4bcb9473edc43651e7d53884f0e24d.

Add '# encoding: utf-8' to files containing special chars

Add '# encoding: utf-8' to files containing special chars

Add '# encoding: utf-8' to files containing special chars

remove useless Geocoder.config from test methods

refacto of ban lookup results method

change city serach param to fit naming conventions in ban lookup test

renamed no results ban lookup fixture to fit tests

removed no search results unnecessary test

remove useless commented code

add alias method to handle state and state_code + move from department to region name as state

refacto results method

support for opencagedata optional parameters

LocationIq # for classes
location_iq # for config

* handles unreachable network exception

* adds network error class

* tests unreachable host exception handling

SmartyStreets is permanently changing their ZIP Code API endpoint by
June 22 at 9am Mountain Time.  The legacy API endpoint is available
until the 22nd.

This change basically changes the API endpoint and updated the tests to
reflect the change.

Wasn't testing what it claimed to be testing.

Intended to fix #1048.

ESRI lookup now uses this method.