Show last published date for NuGet packages.

Show the package's last published date in the Manage Packages dialog instead of the
last updated date.

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

@@ -145,12 +145,12 @@ namespace ICSharpCode.PackageManagement
 			get { return package.Description; }
 		}
 		
-		public DateTime? LastUpdated {
-			get { return package.LastUpdated; }
+		public DateTimeOffset? LastPublished {
+			get { return package.Published; }
 		}
 		
-		public bool HasLastUpdated {
-			get { return package.LastUpdated.HasValue; }
+		public bool HasLastPublished {
+			get { return package.Published.HasValue; }
 		}
 		
 		public void AddPackage()

src/AddIns/Misc/PackageManagement/Project/Src/PackagesView.xaml

@@ -171,13 +171,13 @@
 					</StackPanel>
 					<StackPanel
 						Orientation="Horizontal"
-						Visibility="{Binding Path=HasLastUpdated, Converter={StaticResource BoolToVisibility}}"
+						Visibility="{Binding Path=HasLastPublished, Converter={StaticResource BoolToVisibility}}"
 						Margin="0, 4">
 						<TextBlock
 							Margin="0, 0, 4, 0"
-							Text="Last Updated:"
+							Text="Last Published:"
 							FontWeight="Bold"/>
-						<TextBlock Text="{Binding Path=LastUpdated, StringFormat=d}"/>
+						<TextBlock Text="{Binding Path=LastPublished, StringFormat=d}"/>
 					</StackPanel>
 					<StackPanel
 						Orientation="Horizontal"

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

@@ -391,23 +391,41 @@ namespace PackageManagement.Tests
 		}
 		
 		[Test]
-		public void HasLastUpdated_PackageHasLastUpdatedDate_ReturnsTrue()
+		public void HasLastPublished_PackageHasPublishedDate_ReturnsTrue()
 		{
 			CreateViewModel();
-			fakePackage.LastUpdated = new DateTime(2011, 1, 2);
+			fakePackage.Published = new DateTime(2011, 1, 2);
 			
-			Assert.IsTrue(viewModel.HasLastUpdated);
+			Assert.IsTrue(viewModel.HasLastPublished);
 		}
 		
 		[Test]
-		public void HasLastUpdated_PackageHasNoLastUpdatedDate_ReturnsFalse()
+		public void HasLastPublished_PackageHasNoPublishedDate_ReturnsFalse()
 		{
 			CreateViewModel();
-			fakePackage.LastUpdated = null;
+			fakePackage.Published = null;
 			
-			Assert.IsFalse(viewModel.HasLastUpdated);
+			Assert.IsFalse(viewModel.HasLastPublished);
 		}
-				
+		
+		[Test]
+		public void LastPublished_PackageHasPublishedDate_ReturnsPackagePublishedDate()
+		{
+			CreateViewModel();
+			fakePackage.Published = new DateTime(2011, 1, 2);
+			
+			Assert.AreEqual(fakePackage.Published, viewModel.LastPublished);
+		}
+		
+		[Test]
+		public void LastPublished_PackageHasNoPublishedDate_ReturnsNull()
+		{
+			CreateViewModel();
+			fakePackage.Published = null;
+			
+			Assert.IsNull(viewModel.LastPublished);
+		}
+		
 		[Test]
 		public void AddPackage_PackageRequiresLicenseAgreementAcceptance_UserAskedToAcceptLicenseAgreementForPackageBeforeInstalling()
 		{