Major, and I'm talking MAJOR... ... ... cleanup

Like major, like don't freak out.

:see_no_evil::hear_no_evil::speak_no_evil:

I pushed to my gh-pages branch:

- http://himedlooff.github.io/cf-grid/docs/
- http://himedlooff.github.io/cf-grid/custom-demo/

Just some of the updates, can't remember them all:

- Ported to use cf-grunt-config.
- Generates docs.
- Replaced the name Ghost with cf-grid everywhere, it's confusing.
- demo has been removed and instead renamed examples to custom-demo. I did not use demo because I did not want it to get confused with the topdoc generated demo.
- Some refactoring, notably I removed the .col mixin and simply placed it inside of column because it seems to overly complicate things. Let me know if there was a good reason for this. I also simplified the demo a little and removed responsive stuff from it since they were not ideal methods for using this responsively.