Implement test classes autoloading for integration-tests
Credentials validation implemented for Oauth, tested with Twitter
Credentials validation of all supported Oauth (v.1) services covered with tests
Implemented service credentials validation for OAuth2 services (Github)
Service credentials validation error message slightly changed
Disable colors in merged code coverage report b/c it cause Travis web log view hiding disable reports stats (due to some bug with Travis web log)
#69 Check service credentials