This series adds the implementation for teh Failure detector API.
After this patch the following APIs will be supported:
/failure_detector/endpoints
/failure_detector/count/endpoint/up
/failure_detector/count/endpoint/down
/failure_detector/phi
POST:/failure_detector/phi
/failure_detector/simple_states
/failure_detector/endpoints/states
Signed-off-by: Amnon Heiman <amnon@cloudius-systems.com>
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