[PATCH phosphor-rest-server] The streaming support for obmc-rest.

[OpenBMC Patches]

Changes:
1) The main idea of this change is to have a streaming path as below:
    dbus signal -> obmc-rest capture the dbus signal -> obmc-rest notify the client of the signal receiving.
2) Replace rocket with gevent WSGI server to support multiple async accesses.
3) Use gevent queue to notify the dbus signal receiving.
4) The uri to the streaming should be in the form as below:
    https://<ip>/<path>/stream/<signal_name>

https://github.com/openbmc/phosphor-rest-server/pull/15

shgoupf (1):
  The streaming support for obmc-rest.

 obmc-rest | 115 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 104 insertions(+), 11 deletions(-)
 mode change 100644 => 100755 obmc-rest

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2.6.4