0.3.0-alpha1

This version is under development, and not recommended for production use, although it should work without any big issues.

List of most important changes:

• [BC break] GenericOAuth2ResourceOwner::getAccessToken() now returns an array
  instead of a string. This array contains the access token and its 'expires_in'
  value, along with any other parameters returned from the authentication provider
• [BC break] Added OAuthAwareExceptionInterface#setToken(), OAuthAwareExceptionInterface#getRefreshToken(),
  OAuthAwareExceptionInterface#getRawToken(), OAuthAwareExceptionInterface#getExpiresIn()
  methods
• [BC break] Renamed AbstractResourceOwner::doGetAccessTokenRequest to doGetTokenRequest
• [BC break] Removed AdvancedPathUserResponse & AdvancedUserResponseInterface
• [BC break] Added UserResponseInterface#getEmail(), UserResponseInterface#getProfilePicture(),
  UserResponseInterface#getRefreshToken(), UserResponseInterface#getExpiresIn(),
  UserResponseInterface#setOAuthToken() methods
• [BC break] Removed UserResponseInterface::setAccessToken() method
• [BC break] Removed AbstractUserResponse::getOAuthToken() method because it was ambiguous
• [BC break] PathUserResponse#setPaths() method no longer overwrite default paths
• [BC break] PathUserResponse#getPath() method no longer throws an exception if path
  not exists
• [BC break] PathUserResponse#getValueForPath() removed second argument from this method,
  it will not throw exception anymore if response or value is missing, but now will return
  null instead
• [BC break] Added ResourceOwnerInterface#getOption($name) method
• [BC break] ResourceOwnerInterface#getUserInformation() now must receive array ($accessToken)
  as first parameter, also added second parameter ($extraParameters) to be consistent
  along all implementations
• Added OAuthToken::getRefreshToken(), OAuthToken::setRefreshToken(), OAuthToken::getExpiresIn(),
  OAuthToken::setExpiresIn(), OAuthToken::getRawToken(), OAuthToken::setRawToken()
• Added AbstractResourceOwner#addOptions() & ResourceOwnerInterface#setOption($name, $value)
  methods which allows easy overwriting resource specific options
• Added support for options: access_type, request_visible_actions, approval_prompt
  in Google resource owner
• Added 37signals resource owner
• Added Amazon resource owner
• Added Bitbucket resource owner
• Added Disqus resource owner
• Added Dropbox resource owner
• Added Flickr resource owner
• Added Instagram resource owner
• Added Odnoklassniki resource owner
• Added Yandex resource owner