Add ReleaseNotes to NugetHelper

src/app/FakeLib/NuGet/NugetHelper.fs

@@ -425,6 +425,7 @@ type NuSpecPackage =
       RequireLicenseAcceptance : bool
       Description : string
       Language : string
+      ReleaseNotes : string
       Tags : string }
     member x.Name = sprintf "%s %s" x.Id x.Version
     override x.ToString() = x.Name
@@ -469,6 +470,7 @@ let getNuspecProperties (nuspec : string) =
       Description = getValue "description"
       Language = getValue "language"
       Tags = getValue "tags"
+      ReleaseNotes = getValue "releaseNotes"
       Url = String.Empty
       IsLatestVersion = false
       Created = DateTime.MinValue
@@ -517,6 +519,7 @@ let extractFeedPackageFromXml (entry : Xml.XmlNode) =
       Owners = author
       Language = property "Language"
       Tags = property "Tags"
+      ReleaseNotes = property "ReleaseNotes"
       ProjectUrl = property "ProjectUrl"
       LicenseUrl = property "LicenseUrl"
       RequireLicenseAcceptance = boolProperty "RequireLicenseAcceptance"

src/test/FsCheck.Fake/TestNuget.fs

@@ -29,6 +29,8 @@ let ``Can parse package information from nuget.org stream`` () =
         RequireLicenseAcceptance = false
         Description = "FAKE - F# Make - is a build automation tool for .NET. Tasks and dependencies are specified in a DSL which is integrated in F#. This package bundles all extensions."
         Language = "en-US"
+        ReleaseNotes = "FCS simplification - https://github.com/fsharp/FAKE/pull/773
+Paket push task runs in parallel - https://github.com/fsharp/FAKE/pull/768" 
         Tags = "build fake f#" }
 
     Assert.Equal<string>(expected.Id, result.Id)
@@ -47,4 +49,5 @@ let ``Can parse package information from nuget.org stream`` () =
     Assert.Equal<string>(expected.Description, result.Description)
     Assert.Equal<string>(expected.Language, result.Language)
     Assert.Equal<string>(expected.Tags, result.Tags)
+    Assert.Equal<string>(expected.ReleaseNotes, result.ReleaseNotes)
 

src/test/Test.FAKECore/PackageMgt/NuSpecFileSpecs.cs

@@ -30,6 +30,8 @@ public class nuspec_behaviours
         It should_contain_the_version_placeholder =
             () => Package.Version.ShouldEqual("@build.number@");
 
+        It should_contain_the_releasenotes_placeholder =
+            () => Package.ReleaseNotes.ShouldEqual("@releaseNotes@");
     }
 
     public class when_parsing_the_fake_nuspec_file

src/test/Test.FAKECore/TestData/fake_no_schema.nuspec

@@ -11,6 +11,7 @@
     <iconUrl>@iconUrl@</iconUrl>
     <projectUrl>http://www.github.com/fsharp/Fake</projectUrl>
     <licenseUrl>http://www.github.com/fsharp/Fake/blob/master/License.txt</licenseUrl>
+    <releaseNotes>@releaseNotes@</releaseNotes>
     <tags>build</tags>
   </metadata>
 </package>

src/test/Test.FAKECore/TestData/fake_schema_2011_08.nuspec

@@ -11,6 +11,7 @@
     <iconUrl>@iconUrl@</iconUrl>
     <projectUrl>http://www.github.com/fsharp/Fake</projectUrl>
     <licenseUrl>http://www.github.com/fsharp/Fake/blob/master/License.txt</licenseUrl>
+    <releaseNotes>@releaseNotes@</releaseNotes>
     <tags>build</tags>
   </metadata>
 </package>