Change the AccessFile location to use APPDATA, ...

... and improve the output on the AccessFileHelper
Add build scripts
Improve how CommandBase works...

* Added new Execute() method
* Added new IsDatabaseCommand to help with AccessFileHelper
  Will now be called if boolean is true
* Made WriteIntro and WriteHorizonalRule usage a bit DRYer
Hide some commands
Disable Saving for Test Release
Installer: Add application shortcut in Start Menu.