new theme which is full width and allows for multiple columns

Its a clone of the pfsense_ng theme. It requires this commit: https://github.com/pfsense/pfsense/pull/649

Changes:
all.css:
- edited css to take up full width

loader.js:
- added jQuery to display new buttons (add/remove) columm.
- added jQuery to create new columns
- added jQuery to create delete columns

index.php:
- amended to display multiple columns if using this theme

before:
![old](https://f.cloud.github.com/assets/4223752/564331/64e3f5b0-c558-11e2-8e20-dcd10646890d.png)

after:


![new](https://f.cloud.github.com/assets/4223752/564329/5796e4d0-c558-11e2-9c53-ae8e6d42f8c6.png)