Implement minimum styling for native file upload field that drives the campaign banner feature in step 1.
Abstract away common styles for file inputs. These are now in the Blowfish theme.
Add a Grunt module.
Clean up Campaign Creator stylesheet.
Refactor datePicker directive to intialize pickers intelligently.
Abstract low-level date utilities into a reusable service.
Update scope references in the datePicker directive to reflect new data structure.