Added reverse geocoding for MapQuest
Additional parameters for Bing geocode method

Optional parameters that influence the form of
the response such as culture (sets the language
of the response) or whether to include the
neighborhood or the two-letter ISO code of the
country.
1.4.0
Use different location for GeoNames integration test
Document supported Python versions
Yandex geocoder support

Support for optional parameters in Yandex geocoder

yandex geocoder: test for api_key and lang params, key -> api_key, removing unnecessary file
Integrate Yandex
Added What3Words (http://what3words.com) geocoder and unittests.

added What3Words reverse geocoder and tests
Integrate What3Words
Fix in smartystreets geocoder
LiveAddress misc
Yandex and What3Words listed in README
Fix test env KeyError
1.5.0
Merge branch 'master' of ssh://github.com/geopy/geopy

Conflicts:
	test/geocoders/geonames.py
	test/geocoders/mapquest.py