Refactor Low Level Utilities

This PR abstracts all low level utils from note-vdom, tests these utils and includes refactored methods.

### QA
None really, everything should work as normal.
Sounds good to me!

On 4 December 2014 at 15:57, Jon Parsons <notifications@github.com> wrote:

> In src/utils/noting/is-not-scribe-marker.js:
>
> > @@ -0,0 +1,5 @@
> > +var isScribeMarker = require('./is-scribe-marker');
> > +
> > +module.exports = function isNotScribeMarker(focus) {
> > +  return !isScribeMarker(focus);
> > +};
>
> Yeah I can do, I wanted to reduce the impact of this work on other parts
> of the application so I abstracted them out as they were. I'd be much more
> willing to remove these after I've been through the rest of the plugin,
> does that sound okay?
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/guardian/scribe-plugin-noting/pull/36/files#r21313057>
> .
>

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