Remove warning regarding missing group.
Merge pull request #17 from nordlow/master

Fix first part of Issue #13
use `cc-imenu-init' rather than `setq'
fix typo
wording: `init file' rather than `.emacs'

Some of us use .emacs.d/init.el
let minor-mode automatically set syntax table

The default will still be to use `d-mode-syntax-table'