Revert Backbone 0.9.1 from optimistic to realistic (read: classic) functionality

gistfile1.js

(function(CollectionPrototype, ModelPrototype, slice) {
  var monkeyPatch = function(prototype, name) {
    var method = prototype[name];
    prototype[name] = function() {
      var
        args = slice.call(arguments)
        ,length = args.length
        ,options = length && length >= method.length && args[args.length - 1]
      ;

      if (options && _.isObject(options) && !('wait' in options)) {
        options.wait = true;
        args.splice(-1, 1, options);
      }
      return method.apply(this, args);
    };
  };

  _.each(['create', 'destroy', 'save'], function(name) {
    monkeyPatch(ModelPrototype, name);
  });

  monkeyPatch(CollectionPrototype, 'create');
})(Backbone.Collection.prototype, Backbone.Model.prototype, [].slice);