doc: update BUILDING.md

Added a note about Visual Studio 2015 feature which should
be installed for building Node.js source code.

PR-URL: https://github.com/nodejs/node/pull/10669
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>

BUILDING.md

@@ -109,7 +109,8 @@ Prerequisites:
 * One of:
   * [Visual C++ Build Tools](http://landinghub.visualstudio.com/visual-cpp-build-tools)
   * [Visual Studio 2015 Update 3](https://www.visualstudio.com/), all editions
-    including the Community edition.
+    including the Community edition (remember to select
+    "Common Tools for Visual C++ 2015" feature during installation).
 * Basic Unix tools required for some tests,
   [Git for Windows](http://git-scm.com/download/win) includes Git Bash
   and tools which can be included in the global `PATH`.