Fixed VSIX install issue

VSIX would not install from gallery on 2015 CTP6

Author: mhoumann

source.extension.vsixmanifest

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <PackageManifest Version="2.0.0" xmlns="http://schemas.microsoft.com/developer/vsx-schema/2011" xmlns:d="http://schemas.microsoft.com/developer/vsx-schema-design/2011">
   <Metadata>
-    <Identity Id="MGH.CommentsPlus.a6539c2f-6785-4586-8028-ad923b47224d" Version="1.5" Language="en-US" Publisher="Mads Houmann" />
+    <Identity Id="MGH.CommentsPlus.a6539c2f-6785-4586-8028-ad923b47224d" Version="1.6" Language="en-US" Publisher="Mads Houmann" />
     <DisplayName>CommentsPlus</DisplayName>
     <Description xml:space="preserve">Comments in italics, extra formatting for comments starting with: !, ?, x, e.g., //!</Description>
     <License>ms-pl.txt</License>
@@ -17,7 +17,6 @@
     <InstallationTarget Version="[11.0,]" Id="Microsoft.VisualStudio.IntegratedShell" />
   </Installation>
   <Dependencies>
-    <Dependency Id="Microsoft.Framework.NDP" DisplayName="Microsoft .NET Framework" d:Source="Manual" Version="4.5" />
   </Dependencies>
   <Assets>
     <Asset Type="Microsoft.VisualStudio.MefComponent" d:Source="Project" d:ProjectName="%CurrentProject%" Path="|%CurrentProject%|" />