See

- http://openid.net/specs/openid-connect-core-1_0.html#ClientAuthentication
- https://openid.net/specs/openid-connect-registration-1_0.html#ClientMetadata

As according to http://openid.net/specs/openid-connect-core-1_0.html#PairwiseAlg:

"If the Client has not provided a value for
sector_identifier_uri in Dynamic Client Registration
[OpenID.Registration], the Sector Identifier used
for pairwise identifier calculation is the host
component of the registered redirect_uri."

- Add foreign_keys
- Remove unused classes/methods
- Fix pronto errors
- Add method to retrieve client id from name
- Remove TODO comments
- Fix unnecessary private key generation

Additionally add support for prompt's login option

Signed-off-by: theworldbright <kent@kentshikama.com>

Signed-off-by: theworldbright <kent@kentshikama.com>

Signed-off-by: theworldbright <kent@kentshikama.com>

Squashed commits:

[a182de7] Fix pronto/travis errors

The route /api/v0/user/ will now be used as a
non-OIDC route. In other words, the /api/v0/user/
will require the "read" scope while
/api/openid_connect/user_info/ will require the
"openid" scope