Merge branch 'feature/gv-auth' into develop

 Closes #412

waterbutler/core/utils.py

@@ -37,7 +37,9 @@ def make_provider(name: str, auth: dict, credentials: dict, settings: dict, **kw
  try:
  manager = driver.DriverManager(
  namespace='waterbutler.providers',
- name=name,
+ # with gravyvalet active, "name" is opaque id for a specific addon
+ # instance and osf puts the provider name in settings['service']
+ name=settings.pop('service', name),
  invoke_on_load=True,
  invoke_args=(auth, credentials, settings),
  invoke_kwds=kwargs,