Fix the cssx invocation.

csshx was making some assumptions that were not true of all
installations. This change fixes that to be more generic and work with
most install patterns.
Merge pull request #7 from orchestrate-io/csshx_fix

Fix the cssx invocation.
Run go fmt
Merge pull request #8 from orchestrate-io/gofmt

Run go fmt
Fix the amazon-elb-sg groups.

This change ensures that amazon-elb-sg groups do not get marked as
missing every time salter sgroups is run.