Merge pull request #15 from caisah/master

Add winner, sp, emmet, impatient-mode, paradox and sml.
Add mu4e to mail clients
Merge pull request #16 from kepi/master

Add mu4e to mail clients
Added notmuch to the email clients.
Merge pull request #17 from bjonnh/master

Added notmuch to the email clients.
Fix bug of gen-toc.el when outline contains dash(es).