Fix .nuget folder not being checked for a NuGet.Config file.

src/AddIns/Misc/PackageManagement/Project/Src/SettingsProvider.cs

@@ -45,7 +45,7 @@ namespace ICSharpCode.PackageManagement
 		{
 			ISolution solution = projectService.OpenSolution;
 			if (solution != null) {
-				return solution.Directory;
+				return Path.Combine(solution.Directory, ".nuget");
 			}
 			return null;
 		}

src/AddIns/Misc/PackageManagement/Test/Src/SettingsProviderTests.cs

@@ -66,14 +66,14 @@ namespace PackageManagement.Tests
 		}
 		
 		[Test]
-		public void LoadSettings_SolutionOpen_FileSystemWithRootSetToSolutionDirectoryUsedToLoadSettings()
+		public void LoadSettings_SolutionOpen_FileSystemWithRootSetToSolutionDotNuGetDirectoryUsedToLoadSettings()
 		{
 			string fileName = @"d:\projects\MyProject\MyProject.sln";
 			OpenSolution(fileName);
 			
 			ISettings settings = settingsProvider.LoadSettings();
 			
-			Assert.AreEqual(@"d:\projects\MyProject", fileSystemUsedToLoadSettings.Root);
+			Assert.AreEqual(@"d:\projects\MyProject\.nuget", fileSystemUsedToLoadSettings.Root);
 			Assert.AreEqual(fakeSettings, settings);
 		}
 	}