Bump ansible version to 2.10.5
Prefer python3 over python2
Fix ansible str vs int comparisons
Print a message if setting defaultIndex in kibana 6 fails
Use saved_objects API for setting defaultIndex in kibana 7
Update version in dashboard path for 7x
ILM doesn't like bodies from GET requests
Stop using forked galera_server role, now that 633321 is merged
Force osquery inventory to python3
Update zuul jobs
Change-Id: Ibfc20b1605245927ad4de4a54e751a13defb1ee0