Merge pull request #640 from dachary/wip-13249-package-signatures

config: ~/teuthology.yaml check_package_signatures hint

diff --cc docs/siteconfig.rst
Simple merge

diff --cc teuthology/config.py
index f3dbab833b4daaed1ab9e79dfe4ca75d16f01891,497a71faf1e4d95a041983b804612e1f1603c7e1..9ffa1f2b5d84316d5b21c7b99cf5400940acbf6e
--- 1/teuthology/config.py
--- 2/teuthology/config.py
+++ b/teuthology/config.py
@@@ -131,9 -131,8 +131,10 @@@ class TeuthologyConfig(YamlConfig)
          'automated_scheduling': False,
          'reserve_machines': 5,
          'ceph_git_base_url': 'https://github.com/ceph/',
 +        'ceph_git_url': None,
 +        'ceph_qa_suite_git_url': None,
          'gitbuilder_host': 'gitbuilder.ceph.com',
+         'check_package_signatures': True,
          'lab_domain': 'front.sepia.ceph.com',
          'lock_server': 'http://paddles.front.sepia.ceph.com/',
          'max_job_time': 259200,  # 3 days