Upgrade OpsGenie notifier to v2 API. (#1061)
Upgrade OpsGenie notifier to v2 API. (#1061)


tinytub/alertmanager,Aloomaio/alertmanager,GoogleCloudPlatform/alertmanager,prometheus/alertmanager,prometheus/alertmanager,GoogleCloudPlatform/alertmanager,Kellel/alertmanager,tinytub/alertmanager,tyrken/alertmanager,tyrken/alertmanager,prometheus/alertmanager,Aloomaio/alertmanager,GoogleCloudPlatform/alertmanager,joehandzik/alertmanager,tyrken/alertmanager,joehandzik/alertmanager,tinytub/alertmanager,Kellel/alertmanager,prometheus/alertmanager,Aloomaio/alertmanager,GoogleCloudPlatform/alertmanager,Kellel/alertmanager,tyrken/alertmanager,joehandzik/alertmanager