[PATCH phosphor-rest-server] Add authentication and authorization

[OpenBMC Patches]

Use session cookie plus in-memory server sessions scheme.
Add /login /logout POST routes: {"data": ["username", "password"]}.
Add authorization plugin with arbitrary authorization callbacks.
Add valid user and user in group authorization callbacks.
Require valid user authorization for all routes (besides login/logout).

https://github.com/openbmc/phosphor-rest-server/pull/10

Brad Bishop (1):
  Add authentication and authorization

 obmc-rest | 156 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 156 insertions(+)

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2.6.3