Replace current Nuget feed communication logic with NugetDownloader (weikio#38)

Author: mikkou-adafy

src/Weikio.PluginFramework.Catalogs.NuGet/NuGetFeed.cs

@@ -3,9 +3,9 @@
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
+using Weikio.NugetDownloader;
 using Weikio.PluginFramework.Abstractions;
 using Weikio.PluginFramework.Catalogs.NuGet;
-using Weikio.PluginFramework.Catalogs.NuGet.PackageManagement;
 using Weikio.PluginFramework.TypeFinding;
 
 // ReSharper disable once CheckNamespace

src/Weikio.PluginFramework.Catalogs.NuGet/NugetFeedPluginCatalog.cs

@@ -1,7 +1,8 @@
-using System;
+using System;
 using NuGet.Common;
+using Weikio.NugetDownloader;
 using Weikio.PluginFramework.Abstractions;
-using Weikio.PluginFramework.Catalogs.NuGet.PackageManagement;
+using Weikio.PluginFramework.Catalogs.NuGet;
 using Weikio.PluginFramework.TypeFinding;
 
 namespace Weikio.PluginFramework.Catalogs.NuGet

src/Weikio.PluginFramework.Catalogs.NuGet/NugetFeedPluginCatalogOptions.cs

@@ -3,9 +3,9 @@
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
+using Weikio.NugetDownloader;
 using Weikio.PluginFramework.Abstractions;
 using Weikio.PluginFramework.Catalogs.NuGet;
-using Weikio.PluginFramework.Catalogs.NuGet.PackageManagement;
 using Weikio.PluginFramework.TypeFinding;
 
 // ReSharper disable once CheckNamespace

src/Weikio.PluginFramework.Catalogs.NuGet/NugetPackagePluginCatalog.cs

@@ -1,7 +1,8 @@
-using System;
+using System;
 using NuGet.Common;
 using Weikio.PluginFramework.Abstractions;
-using Weikio.PluginFramework.Catalogs.NuGet.PackageManagement;
+using Weikio.PluginFramework.Catalogs.NuGet;
+using Weikio.NugetDownloader;
 using Weikio.PluginFramework.TypeFinding;
 
 namespace Weikio.PluginFramework.Catalogs.NuGet