This commit integrates functionality from the `openstack.common.report`
module into Heat. This enables Heat services to receive SIGUSR1 and
print a Guru Meditation Report to stderr or file. The required modules
were added to 'openstack-common.conf' as well.
Change-Id: I36af98590e5556f012b0e9f79e21585e216b7280
Blueprint: guru-meditation-report
Co-Authored-By: huangtianhua <huangtianhua@huawei.com>