Better Metrics For Alerts
Better Metrics For Alerts

* Closes prometheus/prometheus#2429
* Moved metrics to top of file for easier access
* Initialised CounterVecs

prometheus/prometheus,Gouthamve/prometheus,keegancsmith/prometheus,brancz/prometheus,amorken/prometheus,keegancsmith/prometheus,Colstuwjx/prometheus,tomwilkie/prometheus,dsymonds/prometheus,Stackdriver/stackdriver-prometheus,AlekSi/prometheus,kangwoo/prometheus,AlekSi/prometheus,Stackdriver/stackdriver-prometheus,Conorbro/prometheus,SaltedMan/prometheus-annotated,keegancsmith/prometheus,tomwilkie/prometheus,dsymonds/prometheus,Stackdriver/stackdriver-prometheus,GoogleCloudPlatform/prometheus,Conorbro/prometheus,JavierZunzunegui/prometheus,keegancsmith/prometheus,GoogleCloudPlatform/prometheus,JavierZunzunegui/prometheus,Colstuwjx/prometheus,SaltedMan/prometheus-annotated,prometheus/prometheus,AlekSi/prometheus,amorken/prometheus,kangwoo/prometheus,brancz/prometheus,yanghongkjxy/prometheus,Conorbro/prometheus,yanghongkjxy/prometheus,kangwoo/prometheus,AlekSi/prometheus,amorken/prometheus,keegancsmith/prometheus,tomwilkie/prometheus,Conorbro/prometheus,kangwoo/prometheus,SaltedMan/prometheus-annotated,prometheus/prometheus,brancz/prometheus,GoogleCloudPlatform/prometheus,yanghongkjxy/prometheus,Gouthamve/prometheus,alileza/prometheus,dsymonds/prometheus,JavierZunzunegui/prometheus,alileza/prometheus,JavierZunzunegui/prometheus,Colstuwjx/prometheus,SaltedMan/prometheus-annotated,alileza/prometheus,alileza/prometheus,GoogleCloudPlatform/prometheus,dsymonds/prometheus,tomwilkie/prometheus,Gouthamve/prometheus,prometheus/prometheus,prometheus/prometheus,amorken/prometheus,brancz/prometheus,Colstuwjx/prometheus,Stackdriver/stackdriver-prometheus,Gouthamve/prometheus,yanghongkjxy/prometheus,GoogleCloudPlatform/prometheus,alileza/prometheus