Working on automatic updates

* If an update has been downloaded but not launched, the update window
will appear automatically the next time the app is started
* If the update window is cancelled when it appears at app launch, then
the update button now appears on the main form
* Build Installer batch file now checks for 32/64-bit Program Files path
* bluWebView now kills the ActiveX container window on Terminate
* BinaryFile.cls now allows changing the Length Of File