setQuota(person, quota) sets the quota content in bytes for the
      specified person. It can be invoked only by an Administrator authority.
  
    Parameters
- person
- A node representing the user to set the quota for.
- quota
- A string representing the quota in bytes to allocate to the specified user. A value of -1 means no quota is set.
Example
The following code sets the quota to 10 MB for the user abeecher:
    var userName = "abeecher";
    var user = people.getPerson(userName);
    if (user){
        people.setQuota(user, "10240000"); // 10 MB
    }
      
    