Supported automatic installation of AppWiz. (But not perfect)
Updated update-wtl.bat.
Modified Setup.js to install AppWizard files into the VC folder.
Rename install.ps1 to init.ps1.
Merge branch 'appwiz' of https://github.com/TsudaKageyu/WTL-NuGet into appwiz
Added a check if the AppWizard is already installed.
Fixed tabs.
Fixed an error handling in init.ps1.
Improved Setup.js to take the VS version into account.