touch up email doc
put the pencil to graphite
minor updates, submitting two PRs as one
correct email config hash options
Merge pull request #1106 from kurtado/doc/output/graphite

Doc/output/graphite
Merge branch 'master' into 1.4.x

* master:
  correct email config hash options
  minor updates, submitting two PRs as one
  put the pencil to graphite
  touch up email doc