Updating authorize and token URLs for MSFT, according to #146
Fixing broken test for urlAccessToken()
Add test to cover Provider\Microsoft::urlAuthorize()
Added yandex and mailru providers
Guzzle 5
Merge pull request #175 from jildertmiedema/guzzle-5

Upgrading to Guzzle 5, for oauth2-client 1.0
Merge pull request #177 from rakeev/patch-1

Two more providers added to the README
Merge pull request #167 from thephpleague/microsoft-oauth-endpoints

Updating authorize and token URLs for MSFT, according to #146
Updating Composer branch alias for master to 0.6.x-dev
Merge branch 'master' into 1.0