Add mingetty package

Small Linux console getty that is started on the Linux text console,
asks for a login name and then tranfers over to /bin/login. Is extended
to allow automatic login and starting any app.
Enable mingetty package
Use mingetty to perfrom autologin on tty0,ttyS0
Enable bash package
Add vttest package

Vttest tests the compatibility of so-called "VT100-compatible"
terminals.
Enable vttest package