feat(zone): add support for long stack traces

modules/facade/src/async.dart

@@ -12,11 +12,11 @@ class PromiseWrapper {
     return new Future.error(obj);
   }
 
-  static Future<List> all(List<Future> promises){
+  static Future<List> all(List<Future> promises) {
     return Future.wait(promises);
   }
 
-  static Future then(Future promise, Function success, Function onError){
+  static Future then(Future promise, Function success, Function onError) {
     if (success == null) return promise.catchError(onError);
     return promise.then(success, onError: onError);
   }
@@ -24,13 +24,24 @@ class PromiseWrapper {
   static completer(){
     return new _Completer(new Completer());
   }
+
+  static setTimeout(fn, millis) {
+    new Timer(new Duration(milliseconds: millis), fn);
+  }
 }
 
 class _Completer {
   Completer c;
+
   _Completer(this.c);
 
   get promise => c.future;
-  get complete => c.complete;
-  get reject => c.completeError;
+
+  complete(v) {
+    c.complete(v);
+  }
+
+  reject(v) {
+    c.completeError(v);
+  }
 }

modules/facade/src/async.es6

@@ -33,4 +33,8 @@ export class PromiseWrapper {
       reject: reject
     };
   }
+
+  static setTimeout(fn, millis) {
+    window.setTimeout(fn, millis);
+  }
 }

modules/facade/src/collection.es6

@@ -59,6 +59,24 @@ export class StringMapWrapper {
       }
     }
   }
+
+  static merge(m1, m2) {
+    var m = {};
+
+    for (var attr in m1) {
+      if (m1.hasOwnProperty(attr)){
+        m[attr] = m1[attr];
+      }
+    }
+
+    for (var attr in m2) {
+      if (m2.hasOwnProperty(attr)){
+        m[attr] = m2[attr];
+      }
+    }
+
+    return m;
+  }
 }
 
 export class ListWrapper {

modules/facade/src/lang.es6

@@ -214,4 +214,8 @@ export function assertionsEnabled() {
   } catch (e) {
     return true;
   }
+}
+
+export function print(obj) {
+  console.log(obj);
 }