Added partner_id and event_destination metrics to events (#136)

* Added partner_id and event_destination metrics to events

* Fix naming

* Change to parse events using one regex

* check for negative index in case there is no match for regex type

* naming fix

* Use DeterminePartnerMetrics function

* dependencies

* Update unit tests

* update changelong

* simplify unit tests

* remove unnecessary const

* Clean up unit tests, add event type index to requestParser

Author: j-mai

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Bumped codex-db and updated requestParser to use the error returned on insert (#125)[https://github.com/xmidt-org/svalinn/pull/125]
 - Updated references to the main branch [#131](https://github.com/xmidt-org/svalinn/pull/131)
 - Bumped webpa-common version to v1.11.0 and wrp-listener version to v0.2.1 [#137](https://github.com/xmidt-org/svalinn/pull/137)
+- Added metric to know what kind of events svalinn is receiving [#136](https://github.com/xmidt-org/svalinn/pull/136)
 
 ## [v0.14.1]
 - Added metric for how long an event is in Svalinn's memory [#124](https://github.com/xmidt-org/svalinn/pull/124)