Merge pull request #244 from gep13/patch-2

(#240) Added link to ReleaseNotes.md for Choco Package

Author: JakeGinnivan

GitVersionExe/NugetAssets/GitVersion.Portable.nuspec

@@ -13,5 +13,8 @@
     <description>Derives SemVer information from a repository following GitFlow or GitHubFlow.</description>
     <language>en-AU</language>
     <tags>Git, Versioning, GitVersion, GitFlowVersion, GitFlow, GitHubFlow, SemVer</tags>
+    <releaseNotes>
+      Full release notes can be found here - https://github.com/Particular/GitVersion/blob/master/ReleaseNotes.md
+    </releaseNotes>
   </metadata>
-</package>
+</package>