Authenticate Soundcloud with username/password rather than OAuth2.
Authenticate Soundcloud with username/password rather than OAuth2.

Soundcloud's dev portal doesn't allow you to change the endpoint
URL, and the socialsoundsproject.com domain has expired.
New applications have to go through a manual submission and review
process, so this is easier.

jeffbr13/socialsoundsproject-map,jeffbr13/socialsoundsproject-map,jeffbr13/socialsoundsproject-map,jeffbr13/socialsoundsproject-map