Correctly setup the tty to avoid problems between console and compositor

Signed-off-by: Simon Busch <morphis@gravedo.de>
Mark ourself as conflicting with the getty@tty1.service

Otherwise we're not able to run our compositor on tty1 without having troubles we the
active getty.

Signed-off-by: Simon Busch <morphis@gravedo.de>
Merge pull request #40 from webOS-ports/morphis/work

Work correctly with virtual terminals