Deprecate quoteless action names.

Using quoteless action names has been deprecated. In 1.5+ this will
result in bound property lookup (allowing dynamic action names).

Reference:

emberjs#4276
emberjs#3936

packages/ember-routing/lib/helpers/action.js

@@ -84,6 +84,10 @@ Ember.onLoad('Ember.Handlebars', function(Handlebars) {
           target = target.root;
         }
 
+        if (options.boundProperty) {
+          Ember.deprecate("Using a quoteless parameter with {{action}} is deprecated. Please update to quoted usage '{{action \"" + actionName + "\"}}.", false);
+        }
+
         Ember.run(function runRegisteredAction() {
           if (target.send) {
             target.send.apply(target, args(options.parameters, actionName));
@@ -302,6 +306,7 @@ Ember.onLoad('Ember.Handlebars', function(Handlebars) {
     action.target = { root: root, target: target, options: options };
     action.bubbles = hash.bubbles;
     action.preventDefault = hash.preventDefault;
+    action.boundProperty =  options.types[0] === "ID";
 
     var actionId = ActionHelper.registerAction(actionName, action, hash.allowedKeys);
     return new SafeString('data-ember-action="' + actionId + '"');

packages/ember-routing/tests/helpers/action_test.js

@@ -790,3 +790,34 @@ test("should respect preventDefault=false option if provided", function(){
 
   equal(event.isDefaultPrevented(), false, "should not preventDefault");
 });
+
+test("a quoteless parameter as an action name", function(){
+  expect(2);
+
+  var triggeredAction;
+
+  view = Ember.View.create({
+    template: compile("<a id='oops-bound-param'' {{action ohNoeNotValid}}>Hi</a>")
+  });
+
+  var controller = Ember.Controller.extend({
+    actions: {
+      ohNoeNotValid: function() {
+        triggeredAction = true;
+      }
+    }
+  }).create();
+
+  Ember.run(function() {
+    view.set('controller', controller);
+    view.appendTo('#qunit-fixture');
+  });
+
+  expectDeprecation(function(){
+    Ember.run(function(){
+      view.$("#oops-bound-param").click();
+    });
+  },"Using a quoteless parameter with {{action}} is deprecated. Please update to quoted usage '{{action \"ohNoeNotValid\"}}." );
+
+  ok(triggeredAction, 'the action was triggered');
+});