Miscellaneous cleanup

Author: jcansdale

src/GitHub.VisualStudio/Services/VSGitExtFactory.cs

@@ -38,7 +38,7 @@ public IVSGitExt Create()
             }
         }
 
-        // NOTE: We're being careful to only reference VSGitExt14/VSGitExt15/VSGitExt16 from inside a lambda expression.
+        // NOTE: We're being careful to only reference VSGitExt14 and VSGitExt15 from inside a lambda expression.
         // This ensures that only the type that's compatible with the running DTE version is loaded.
         static IVSGitExt Create(Func<IVSGitExt> factory) => factory.Invoke();
     }

src/GitHub.VisualStudio/source.extension.vsixmanifest

@@ -18,7 +18,7 @@
   </Installation>
   <Dependencies>
     <Dependency Id="Microsoft.Framework.NDP" DisplayName="Microsoft .NET Framework" d:Source="Manual" Version="[4.5,)" />
-    <Dependency Id="Microsoft.VisualStudio.MPF.14.0" DisplayName="Visual Studio MPF 14.0" d:Source="Installed" Version="[14.0,]" />
+    <Dependency Id="Microsoft.VisualStudio.MPF.14.0" DisplayName="Visual Studio MPF 14.0" d:Source="Installed" Version="[14.0,)" />
     <Dependency Id="Microsoft.VisualStudio.TeamFoundation.TeamExplorer.Extensions" DisplayName="Team Explorer" d:Source="Installed" Version="[14.0,)" />
   </Dependencies>
   <Assets>