Supervisor UNIX domain socket check.
Using loop do.
Fix tab.
Fix header.
Upcase, not downcase.
Update CONTRIB.md
Check for empty graphite responce
Merge pull request #921 from ofir-rounds/master

Check for empty graphite responce
Merge pull request #911 from analytically/master

Supervisor UNIX domain socket check
Fix new rubocop issues
Merge branch 'master' of github.com:/sensu/sensu-community-plugins
Add header