Make notification flag names consistent with Prometheus style.
Make notification flag names consistent with Prometheus style.

t0mk/alertmanager,amorken/alertmanager,MonsantoCo/alertmanager,Kellel/alertmanager,tinytub/alertmanager,amorken/alertmanager,jbarratt/alertmanager,ericgerling/alertmanager,tbouvet/alertmanager,abhishekamralkar/alertmanager,tyrken/alertmanager,brancz/alertmanager,mrwacky42/alertmanager,jbarratt/alertmanager,prometheus/alertmanager,pdf/alertmanager,tinytub/alertmanager,amorken/alertmanager,tbouvet/alertmanager,wrouesnel/alertmanager,MonsantoCo/alertmanager,jmptrader/alertmanager,brunoqc/alertmanager,jbarratt/alertmanager,dylanmei/alertmanager,mrwacky42/alertmanager,jmptrader/alertmanager,GoogleCloudPlatform/alertmanager,dylanmei/alertmanager,abhishekamralkar/alertmanager,sarathsp06/alertmanager,tbouvet/alertmanager,Aloomaio/alertmanager,novilabs/alertmanager,brancz/alertmanager,pdf/alertmanager,Kellel/alertmanager,joehandzik/alertmanager,tyrken/alertmanager,MonsantoCo/alertmanager,GoogleCloudPlatform/alertmanager,abhishekamralkar/alertmanager,tyrken/alertmanager,MonsantoCo/alertmanager,t0mk/alertmanager,t0mk/alertmanager,wrouesnel/alertmanager,pdf/alertmanager,t0mk/alertmanager,prometheus/alertmanager,Aloomaio/alertmanager,brancz/alertmanager,novilabs/alertmanager,sarathsp06/alertmanager,novilabs/alertmanager,Aloomaio/alertmanager,dylanmei/alertmanager,abhishekamralkar/alertmanager,dylanmei/alertmanager,GoogleCloudPlatform/alertmanager,mrwacky42/alertmanager,novilabs/alertmanager,tyrken/alertmanager,tinytub/alertmanager,amorken/alertmanager,brunoqc/alertmanager,wrouesnel/alertmanager,sarathsp06/alertmanager,mrwacky42/alertmanager,prometheus/alertmanager,Kellel/alertmanager,jmptrader/alertmanager,pdf/alertmanager,jbarratt/alertmanager,jmptrader/alertmanager,joehandzik/alertmanager,ericgerling/alertmanager,brancz/alertmanager,brunoqc/alertmanager,joehandzik/alertmanager,prometheus/alertmanager,wrouesnel/alertmanager,GoogleCloudPlatform/alertmanager,ericgerling/alertmanager,brunoqc/alertmanager