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refactoring
Refactor/simplify check-ceph.rb plugin
- Now uses Sensu::IO.popen (for timeout, etc.) rather than my own method
- Simplified construction of command argument(s)
- Simplified handling of bad command output and/or exit status
Add additional options to disk-usage-metrics.rb
  Ignore mountpoints by regex pattern (-i)
  Include only specific mountpoints by regex pattern (-I)
  Replace subdir breaks with '_' instead of '.' using the --flatten option
Various styling fixes
Oops... fix typo (left trailing slash in %r{})
add delete-expired-stashes plugin
remove empty parens to fix rubocop failure
Adding github repo metrics.
Renaming plugin.
Defaulting to walking all org repos.
add support for basic http authentication for graphite
clean up rubocop warnings
changed url to be a variable
Merge pull request #301 from jameslegg/graphite-auth

Graphite auth
abbreviate --use-ssl as --ssl instead of -k
don't send metrics for features disabled per cf
add runbook support to hipchat and mailer notifications
memory checking using percentage used
updated ...delimit the percentage instead of trim