Cleaned up imports (unused and missing) and tweaked test (Ch.2 to 6)

 - Cleaned up imports, unused and missing (Ch.2 to 6).
 - Adjusted called to Recipe constructor in main_test (Ch.5&6).
 - Chose not to touch Chapter 7 code given that there are other pending
changes for it.

Chapter_02/test/main_test.dart

@@ -2,7 +2,6 @@ library main_test;
 
 import 'package:unittest/unittest.dart';
 import 'package:di/di.dart';
-import 'package:di/dynamic_injector.dart';
 import 'package:angular/angular.dart';
 import 'package:angular/mock/module.dart';
 

Chapter_03/test/main_test.dart

@@ -2,9 +2,10 @@ library main_test;
 
 import 'package:unittest/unittest.dart';
 import 'package:di/di.dart';
-import 'package:di/dynamic_injector.dart';
 import 'package:angular/angular.dart';
 import 'package:angular/mock/module.dart';
+import 'package:angular_dart_demo/recipe_book.dart';
+import 'package:angular_dart_demo/rating/rating_component.dart';
 
 import '../web/main.dart';
 

Chapter_04/test/main_test.dart

@@ -2,9 +2,10 @@ library main_test;
 
 import 'package:unittest/unittest.dart';
 import 'package:di/di.dart';
-import 'package:di/dynamic_injector.dart';
 import 'package:angular/angular.dart';
 import 'package:angular/mock/module.dart';
+import 'package:angular_dart_demo/recipe_book.dart';
+import 'package:angular_dart_demo/rating/rating_component.dart';
 
 import '../web/main.dart';
 

Chapter_05/test/main_test.dart

@@ -2,9 +2,12 @@ library main_test;
 
 import 'package:unittest/unittest.dart';
 import 'package:di/di.dart';
-import 'package:di/dynamic_injector.dart';
 import 'package:angular/angular.dart';
 import 'package:angular/mock/module.dart';
+import 'package:angular_dart_demo/recipe_book.dart';
+import 'package:angular_dart_demo/recipe.dart';
+import 'package:angular_dart_demo/filter/category_filter.dart';
+import 'package:angular_dart_demo/rating/rating_component.dart';
 
 import '../web/main.dart';
 
@@ -73,8 +76,8 @@ main() {
 
   group('categoryFilter', () {
     test('should return subset', inject((CategoryFilter filter) {
-      var r1 = new Recipe(null, 'C1', null, null, null);
-      var r2 = new Recipe(null, 'C2', null, null, null);
+      var r1 = new Recipe(null, 'C1', null, null, null, null, null);
+      var r2 = new Recipe(null, 'C2', null, null, null, null, null);
       var list = [r1, r2];
       var map = {"C1": false, "C2": true};
       expect(filter(list, map), equals([r2]));

Chapter_06/lib/component/search_recipe_component.dart

@@ -1,6 +1,5 @@
 library search_recipe_component;
 
-import '../service/recipe.dart';
 import 'package:angular/angular.dart';
 
 @NgComponent(

Chapter_06/test/main_test.dart

@@ -4,6 +4,10 @@ import 'package:unittest/unittest.dart';
 import 'package:di/di.dart';
 import 'package:angular/angular.dart';
 import 'package:angular/mock/module.dart';
+import 'package:angular_dart_demo/recipe_book.dart';
+import 'package:angular_dart_demo/filter/category_filter.dart';
+import 'package:angular_dart_demo/rating/rating_component.dart';
+import 'package:angular_dart_demo/service/recipe.dart';
 
 import '../web/main.dart';
 
@@ -73,8 +77,8 @@ main() {
 
   group('categoryFilter', () {
     test('should return subset', inject((CategoryFilter filter) {
-      var r1 = new Recipe(null, null, 'C1', null, null, null);
-      var r2 = new Recipe(null, null, 'C2', null, null, null);
+      var r1 = new Recipe(null, null, 'C1', null, null, null, null);
+      var r2 = new Recipe(null, null, 'C2', null, null, null, null);
       var list = [r1, r2];
       var map = {"C1": false, "C2": true};
       expect(filter(list, map), equals([r2]));

Chapter_06/web/main.dart

@@ -12,7 +12,6 @@ import 'package:angular_dart_demo/filter/category_filter.dart';
 import 'package:angular_dart_demo/rating/rating_component.dart';
 import 'package:angular_dart_demo/tooltip/tooltip_directive.dart';
 import 'package:angular_dart_demo/service/query_service.dart';
-import 'package:angular_dart_demo/service/recipe.dart';
 import 'package:angular_dart_demo/routing/recipe_book_router.dart';
 import 'package:angular_dart_demo/component/view_recipe_component.dart';
 import 'package:angular_dart_demo/component/search_recipe_component.dart';