Update NuGet package definition

Author: migueldeicaza

TensorFlowSharp/TensorFlowSharp.csproj

@@ -11,21 +11,17 @@
     <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
     <ReleaseVersion>0.2</ReleaseVersion>
     <PackageId>TensorFlowSharp</PackageId>
-    <PackageVersion>1.3.0</PackageVersion>
+    <PackageVersion>1.4.0-pre1</PackageVersion>
     <Authors>Miguel de Icaza</Authors>
     <PackageLicenseUrl>https://github.com/migueldeicaza/TensorFlowSharp/blob/master/LICENSE</PackageLicenseUrl>
     <PackageProjectUrl>https://github.com/migueldeicaza/TensorFlowSharp/</PackageProjectUrl>
     <PackageTags>machine-learning, tensorflow, xamarin, c#, f#</PackageTags>
     <Description>.NET Bindings for TensorFlow</Description>
     <Owners>Miguel de Icaza</Owners>
     <Summary>.NET API for TensorFlow, Google's Machine Intelligence framework</Summary>
-    <PackageReleaseNotes>Adds support for TensorFlor 1.3
+    <PackageReleaseNotes>Adds support for TensorFlor 1.4
 
-In addition to bringing the 1.3 API, this contains the following high-level APIs:
-
-* TFGraph.ReduceMean
-* Type to TFDataType conversion helper
-</PackageReleaseNotes>
+This brings support for the TensorFlow 1.4 API.</PackageReleaseNotes>
   </PropertyGroup>
   <ItemGroup>
     <_NativeFiles Include="..\native\*.*">