_Really_ fix deferred function instrumentation.

Fix http API metric observation (#47)

Wrap defer in anonymous func to avoid evaluating time.Since() early.

Fix missing Prometheus registration.

Register Prometheus metrics (#44)

* Register auth and http metrics.
* Init "GET" and "POST" http methods.

Monitoring auth result counters and HTTP serving times (fixed style)

v0.2.4

Fix style.

Monitoring auth result counters and HTTP serving times.

Add additional metrics (#42)

* Add more Prometheus metrics.
* Add auth counter.
* Fixup Auth counter
* Use Consts for AuthResult string conversion.
* Iterate over all Targets and AuthResults to init counters.

Fix Auth return value monitoring.

Adjust AuthUser() returns (#45)

* Set return variables to correctly pass data to defer.
* Fix AuthUser() metric name.

Add basic Prometheus monitoring.

Add Prometheus metrics. (#40)

* Add Prometheus metrics handler.
* Add build info metric.
* Update Makefile to add version metric info.

Include git hash in binary.

v0.2.1

Disable pegasus doorbell due to network delays which makes it not lin…

First CircleCI build

(otherwise no change to head code)