Merge pull request #163 from specialbrand/1.0

Update for the array helper & fixed typo
updates to make custom fields easier to use outside of the context of the CMS
Merge branch '1.0' of github.com:daylightstudio/FUEL-CMS into 1.0
fixed SQL error when creating model relationships with tags
Moved upload page functionality to Fuel_pages class
updated forms documentation in reference to the custom $fields array