Merge the tip of origin/release/proposed/2019.2.0 into origin/release/2019.2.0

450adb4 Fix return value for check_36461
f73947e Add return value for non-redis clusters
37b350a Add check for redis-server version
db4b757 Adjust check for ceph global id reclaim CVE

Change-Id: I4861db7649ea6397433656a414c343662c83a539