message: Update readme to reflect requirements of repo build
diff: @@ -13,7 +13,7 @@ Expected time around 100 minutes to install.
  - Windows 10 Anniversary - (has PackageManagement, developer mode and supports WSL.)
  - JDK 8
  - Android SDK
  -- NodeJS
  +- NodeJS (LTS Version: v6.9.4 or higher)
  - Gulp
  - Ruby 2.3
  - Ruby Devkit
  