Modified Delete button colour.

CHANGES
* The `btn-warning` class has been swapped out for `btn-danger`
  for the program delete button in the `show` view.
Partially implemented program option management interface.

NEW
* Started implementation for the program option management
  administrative interface. Only thing missing is the
  `create` view and controller function.

CHANGE
* Updated CRUD forms for program to ensure that error messages
  are displayed with the correct placement.