Issue #4908

Issue #4910

* Pass in and use the htmlhint module required.
* Check for verify() and try HTMLHint.HTMLHint if missing because of
  module nesting. it's require('htmlhint').HTMLHint in node.

Closes #4887

Closes #4902

Fix for bug https://github.com/codemirror/CodeMirror/issues/4897

Signed-off-by: Yvonnick Esnault <yvonnick.esnault@corp.ovh.com>

Closes #4892

Issue #4889

IANA registered application/vnd.coffeescript

Also noted the text/coffeescript option in the demo

Also .asc and .sig extensions

Re: http://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types

Seems Apache has its own list for non-registered
media types.

Issue codemirror/google-modes#8

Issue #4876

See #4872.

Closes #4869

Issue #4868