getCapabilities(person) returns a hash of the specified
      user's capabilities.
    Parameters
- person
- A node representing the user whose capabilities are to be fetched.
Returns
A <string, boolean> hash containing the capabilities of the user. For example, isMutable, isGuest, isAdmin and their boolean states will be returned.
Example
The following code snippet returns a hash containing the capabilities of the admin user:
var person = people.getPerson("admin");
if (person){
    model.caps = people.getCapabilities(person);
}
      The capabilities returned would be as follows:
isMutable: TRUE isGuest: FALSE isAdmin: TRUE
