Rename Windows Universal projects to use UWP nomenclature which follows Microsoft naming instead of UAP which MG chose.

CocosSharp.WindowsUWP.sln

@@ -3,11 +3,11 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 14
 VisualStudioVersion = 14.0.23107.0
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CocosSharp.WindowsUAP", "src\CocosSharp.WindowsUAP.csproj", "{A7EF2963-0D43-48BA-A34A-4F799471BB92}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CocosSharp.WindowsUWP", "src\CocosSharp.WindowsUWP.csproj", "{A7EF2963-0D43-48BA-A34A-4F799471BB92}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MonoGame.Framework.WindowsUAP", "MonoGame\MonoGame.Framework\MonoGame.Framework.WindowsUAP.csproj", "{09C41A48-7BF3-4A46-9EB8-CE95B4C27CA9}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "box2d.WindowsUAP", "box2d\box2d.WindowsUAP.csproj", "{7AFFB149-6311-4854-A068-B974B4AC2872}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "box2d.WindowsUWP", "box2d\box2d.WindowsUWP.csproj", "{7AFFB149-6311-4854-A068-B974B4AC2872}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution

src/CocosSharp.WindowsUWP.csproj

@@ -106,7 +106,7 @@
   <ItemGroup>
     <!-- A reference to the entire .Net Framework and Windows SDK are automatically included -->
     <None Include="project.json" />
-    <Compile Include="Win8IOExtensions.cs" />
+    <None Include="Win8IOExtensions.cs" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="EmbeddableView\CCGameView.WindowsUAP.cs" />
@@ -117,9 +117,9 @@
     <Content Include="Properties\CocosSharp.WindowsUAP.rd.xml" />
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\box2d\box2d.WindowsUAP.csproj">
+    <ProjectReference Include="..\box2d\box2d.WindowsUWP.csproj">
       <Project>{7affb149-6311-4854-a068-b974b4ac2872}</Project>
-      <Name>box2d.WindowsUAP</Name>
+      <Name>box2d.WindowsUWP</Name>
     </ProjectReference>
     <ProjectReference Include="..\MonoGame\MonoGame.Framework\MonoGame.Framework.WindowsUAP.csproj">
       <Project>{09c41a48-7bf3-4a46-9eb8-ce95b4c27ca9}</Project>