fixing build break caused by namespace change in Entity Framework

src/MusicStore.Spa/Apis/AlbumsApiController.cs

@@ -2,6 +2,7 @@
 using System.Threading.Tasks;
 using Microsoft.AspNet.Authorization;
 using Microsoft.AspNet.Mvc;
+using Microsoft.Data.Entity;
 using AutoMapper;
 using MusicStore.Infrastructure;
 using MusicStore.Models;

src/MusicStore.Spa/Apis/ArtistsApiController.cs

@@ -2,6 +2,7 @@
 using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNet.Mvc;
+using Microsoft.Data.Entity;
 using MusicStore.Models;
 
 namespace MusicStore.Apis

src/MusicStore.Spa/Apis/GenresApiController.cs

@@ -1,6 +1,7 @@
 using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNet.Mvc;
+using Microsoft.Data.Entity;
 using MusicStore.Models;
 using MusicStore.Spa.Infrastructure;
 

src/MusicStore.Spa/Infrastructure/PagedList.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Linq.Expressions;
 using System.Threading.Tasks;
+using Microsoft.Data.Entity;
 
 namespace MusicStore.Infrastructure
 {