CFY-1513 log agent user, host, and key in info, anything else is debug
Merge branch 'master' into CFY-1513-agent-installer-logs
CFY-1513 log user and key only if it exists
CFY-1513 fix flake
CFY-1513 log touch up
CFY-1513 remove log
CFY-1513 remove hyphen in logs
Merge pull request #170 from cloudify-cosmo/CFY-1513-agent-installer-logs

Cfy 1513 agent installer logs
flake8
Merge branch 'master' of https://github.com/cloudify-cosmo/cloudify-manager
Merge branch 'master' into CFY-1707_use_cloudify_agent_settings_given_as_invocation_input