feat(ng-repeat): initial implementaion of ng-repeat.

- adds support for content bindings via '[]'.
- directives module

modules/core/src/compiler/pipeline/element_binder_builder.js

@@ -118,11 +118,16 @@ export class ElementBinderBuilder extends CompileStep {
           throw new BaseException('No element binding found for property '+elProp
             +' which is required by directive '+stringify(typeWithAnnotation.type));
         }
+        var len = dirProp.length;
+        var dirBindingName = dirProp;
+        var isContentWatch = dirProp[len - 2] === '[' && dirProp[len - 1] === ']';
+        if (isContentWatch) dirBindingName = dirProp.substring(0, len - 2);
         protoView.bindDirectiveProperty(
           directiveIndex++,
           expression,
-          dirProp,
-          reflector.setter(dirProp)
+          dirBindingName,
+          reflector.setter(dirBindingName),
+          isContentWatch
         );
       });
     });

modules/core/src/compiler/view.js

@@ -417,7 +417,8 @@ export class ProtoView {
     directiveIndex:number,
     expression:AST,
     setterName:string,
-    setter:SetterFn) {
+    setter:SetterFn,
+    isContentWatch: boolean) {
 
     var expMemento = new DirectivePropertyMemento(
       this.elementBinders.length-1,
@@ -426,7 +427,7 @@ export class ProtoView {
       setter
     );
     var groupMemento = DirectivePropertyGroupMemento.get(expMemento);
-    this.protoRecordRange.addRecordsFromAST(expression, expMemento, groupMemento, false);
+    this.protoRecordRange.addRecordsFromAST(expression, expMemento, groupMemento, isContentWatch);
   }
 
   // Create a rootView as if the compiler encountered <rootcmp></rootcmp>,
@@ -500,7 +501,7 @@ class DirectivePropertyGroupMemento {
     var directiveIndex = memento._directiveIndex;
     var id = elementInjectorIndex * 100 + directiveIndex;
 
-    if (! MapWrapper.contains(_groups, id)) {
+    if (!MapWrapper.contains(_groups, id)) {
       MapWrapper.set(_groups, id, new DirectivePropertyGroupMemento(elementInjectorIndex, directiveIndex));
     }
     return MapWrapper.get(_groups, id);

modules/core/src/compiler/viewport.js

@@ -37,7 +37,11 @@ export class ViewPort {
   dehydrate() {
     this.appInjector = null;
     this.hostElementInjector = null;
-    for (var i = 0; i < this._views.length; i++) {
+    this.clear();
+  }
+
+  clear() {
+    for (var i = this._views.length - 1; i >= 0; i--) {
       this.remove(i);
     }
   }