added AspNetCore to buildscript and fixed assemblyversion of dotnet build

Build/MQTTnet.AspNetCore.nuspec

@@ -0,0 +1,30 @@
+<?xml version="1.0"?>
+<package >
+  <metadata>
+    <id>MQTTnet.AspNetCore</id>
+    <version>2.5.0</version>
+    <authors>Christian Kratky</authors>
+    <owners>Christian Kratky</owners>
+    <licenseUrl>https://github.com/chkr1011/MQTTnet/blob/master/LICENSE</licenseUrl>
+    <projectUrl>https://github.com/chkr1011/MQTTnet</projectUrl>
+    <iconUrl>https://raw.githubusercontent.com/chkr1011/MQTTnet/master/Images/Logo_128x128.png</iconUrl>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <description>This is a support library to integrate MQTTnet into AspNetCore.</description>
+    <releaseNotes>initial version
+    </releaseNotes>
+    <copyright>Copyright Christian Kratky 2016-2017</copyright>
+    <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation</tags> 
+    <dependencies>
+
+      <group targetFramework="netstandard2.0">
+        <dependency id="MQTTnet" version="2.5" />
+      </group>
+    </dependencies>
+  </metadata>
+
+  <files>
+    <!-- .NET Standard 2.0 -->
+    <file src="..\Frameworks\MQTTnet.AspNetCore\bin\Release\netstandard2.0\MQTTnet.AspNetCore.*" target="lib\netstandard2.0\"/>
+    
+  </files>
+</package>

Build/MQTTnet.nuspec

@@ -51,8 +51,8 @@
     <file src="..\Frameworks\MQTTnet.UniversalWindows\bin\Release\MQTTnet.*" target="lib\uap10.0\"/>
 
     <!-- .NET Framework -->
-    <file src="..\Frameworks\MQTTnet.Netstandard\bin\Release\net45\MQTTnet.Core.*" target="lib\net45\"/>
-    <file src="..\Frameworks\MQTTnet.Netstandard\bin\Release\net45\MQTTnet.*" target="lib\net45\"/>
+    <file src="..\Frameworks\MQTTnet.Netstandard\bin\Release\net451\MQTTnet.Core.*" target="lib\net451\"/>
+    <file src="..\Frameworks\MQTTnet.Netstandard\bin\Release\net451\MQTTnet.*" target="lib\net451\"/>
     
   </files>
 </package>

Build/build.ps1

@@ -3,9 +3,11 @@ param([string]$version)
 if ([string]::IsNullOrEmpty($version)) {$version = "0.0.1"}
 
 $msbuild = "MSBuild.exe"
-&dotnet build ..\Frameworks\MQTTnet.Netstandard\MQTTnet.Netstandard.csproj -c="Release"
-&$msbuild ..\Frameworks\MQTTnet.UniversalWindows\MQTTnet.UniversalWindows.csproj /t:Build /p:Configuration="Release"
+&dotnet build ..\Frameworks\MQTTnet.Netstandard\MQTTnet.Netstandard.csproj -c="Release" /p:FileVersion=$version /p:AssemblyVersion=$version
+&dotnet build ..\Frameworks\MQTTnet.AspNetCore\MQTTnet.AspNetCore.csproj -c="Release" /p:FileVersion=$version /p:AssemblyVersion=$version
+##&$msbuild ..\Frameworks\MQTTnet.UniversalWindows\MQTTnet.UniversalWindows.csproj /t:Build /p:Configuration="Release"
 
 Remove-Item .\NuGet -Force -Recurse
 New-Item -ItemType Directory -Force -Path .\NuGet
-.\NuGet.exe pack MQTTnet.nuspec -Verbosity detailed -Symbols -OutputDir "NuGet" -Version $version
+.\NuGet.exe pack MQTTnet.nuspec -Verbosity detailed -Symbols -OutputDir "NuGet" -Version $version
+.\NuGet.exe pack MQTTnet.AspNetCore.nuspec -Verbosity detailed -Symbols -OutputDir "NuGet" -Version $version

MQTTnet.sln

@@ -20,6 +20,7 @@ EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Build", "Build", "{67C28AC1-BC3A-420A-BE9C-FA2401431CF9}"
 	ProjectSection(SolutionItems) = preProject
 		Build\build.ps1 = Build\build.ps1
+		Build\MQTTnet.AspNetCore.nuspec = Build\MQTTnet.AspNetCore.nuspec
 		Build\MQTTnet.nuspec = Build\MQTTnet.nuspec
 	EndProjectSection
 EndProject