SIGUSR1 is deprecated in Guru mediation
SIGUSR1 is deprecated in Guru mediation

Guru mediation now registers SIGUSR1 and SIGUSR2 by default for
backward compatibility. SIGUSR1 will no longer be registered in
a future release, so please use SIGUSR2 to generate reports[1].

[1]http://docs.openstack.org/developer/oslo.reports/usage.html

Change-Id: I2bd1956abfe6a94dc4135ba9810eb55e0acc6e74
Closes-Bug: #1528758

ArchiFleKs/magnum,openstack/magnum,openstack/magnum,jay-lau/magnum,ArchiFleKs/magnum