Use HelpPrinter in ShowCommandHelp
Merge pull request #86 from zenoss/upstream/feature/help-version-flags

Can now change these default flags in other applications
Merge pull request #84 from JackC/help-printer

Use HelpPrinter in ShowCommandHelp
Merge pull request #81 from zenoss/upstream/feature/generic-flags

Generic parsers as flag types
Merge branch 'master' of github.com:zenoss/cli into develop