*: add 0.19.0 changelog
*: add 0.19.0 changelog

agaoglu/prometheus,gottwald/prometheus,dmilstein/prometheus,GoogleCloudPlatform/prometheus,JavierZunzunegui/prometheus,datajet-io/prometheus,adamron1/prometheus,kzittritsch/prometheus,msiebuhr/prometheus,dmilstein/prometheus,ton31337/prometheus,JavierZunzunegui/prometheus,alileza/prometheus,datajet-io/prometheus,tattsun/prometheus,brancz/prometheus,gottwald/prometheus,gottwald/prometheus,tomwilkie/prometheus,sudhi-vm/prometheus,msiebuhr/prometheus,tomwilkie/prometheus,amorken/prometheus,ton31337/prometheus,amorken/prometheus,Colstuwjx/prometheus,msiebuhr/prometheus,SaltedMan/prometheus-annotated,Conorbro/prometheus,tattsun/prometheus,prometheus/prometheus,JavierZunzunegui/prometheus,yanghongkjxy/prometheus,dmilstein/prometheus,amorken/prometheus,agaoglu/prometheus,brancz/prometheus,Gouthamve/prometheus,kzittritsch/prometheus,slok/prometheus,AlekSi/prometheus,Stackdriver/stackdriver-prometheus,Stackdriver/stackdriver-prometheus,brancz/prometheus,keegancsmith/prometheus,GoogleCloudPlatform/prometheus,dsymonds/prometheus,tattsun/prometheus,SaltedMan/prometheus-annotated,prometheus/prometheus,Stackdriver/stackdriver-prometheus,adamron1/prometheus,keegancsmith/prometheus,AlekSi/prometheus,PrFalken/prometheus,datajet-io/prometheus,dmilstein/prometheus,Gouthamve/prometheus,ton31337/prometheus,sudhi-vm/prometheus,kangwoo/prometheus,dsymonds/prometheus,kzittritsch/prometheus,yanghongkjxy/prometheus,kangwoo/prometheus,alileza/prometheus,tattsun/prometheus,brancz/prometheus,GoogleCloudPlatform/prometheus,yanghongkjxy/prometheus,agaoglu/prometheus,msiebuhr/prometheus,Gouthamve/prometheus,Colstuwjx/prometheus,datajet-io/prometheus,tomwilkie/prometheus,Conorbro/prometheus,yanghongkjxy/prometheus,alileza/prometheus,gottwald/prometheus,keegancsmith/prometheus,dsymonds/prometheus,tomwilkie/prometheus,SaltedMan/prometheus-annotated,Colstuwjx/prometheus,GoogleCloudPlatform/prometheus,Gouthamve/prometheus,sudhi-vm/prometheus,slok/prometheus,kangwoo/prometheus,keegancsmith/prometheus,adamron1/prometheus,AlekSi/prometheus,Conorbro/prometheus,AlekSi/prometheus,PrFalken/prometheus,JavierZunzunegui/prometheus,ton31337/prometheus,Conorbro/prometheus,SaltedMan/prometheus-annotated,keegancsmith/prometheus,alileza/prometheus,GoogleCloudPlatform/prometheus,PrFalken/prometheus,prometheus/prometheus,slok/prometheus,dsymonds/prometheus,prometheus/prometheus,slok/prometheus,adamron1/prometheus,prometheus/prometheus,Colstuwjx/prometheus,alileza/prometheus,amorken/prometheus,Stackdriver/stackdriver-prometheus,kangwoo/prometheus,PrFalken/prometheus,kzittritsch/prometheus,agaoglu/prometheus,sudhi-vm/prometheus