undo debug changes of commit 1af801e
die if sending a keypress fails
don't allow "exclusive" vnc connections - they would kill our own connection
Merge pull request #75 from lnussel/master

undo debug changes of commit 1af801e
Merge pull request #76 from os-autoinst/coolo_vnc

don't allow "exclusive" vnc connections - they would kill our own connec...