code: public boolean addGroupToField(ProfileField<?> field, String group, SPFPersona persona) {
  		return mProfileTable.addCircleToFields(group, field, persona);
  	}
docs: Adds a circle to a specified {@link ProfileField}.
  
  @param field
  - the {@link ProfileField} to modify
  @param group
  - the circle to add
  @param persona
  - the {@link SPFPersona} to modify
  @return true if the operation was successful