***************************************************************************
@constructs CollectionAcl
@description CollectionAcl description
@memberof carbond.security
@extends carbond.security.EndpointAcl
function() {
    /***************************************************************************
     * @property {object} permissionDefinitions -- mapping of permissions to
     *                                             defaults
     */
    this.permissionDefinitions = { // mapping of permissions to defaults
      insert: false,
      find: false,
      save: false,
      update: false,
      remove: false,
      insertObject: false,
      findObject: false,
      saveObject: false,
      updateObject: false,
      removeObject: false
    }
  }