console-backend/xback: Add experimental X11 locking/switching support.

Signed-off-by: Chris Patterson <cjp256@gmail.com>
console-frontend/xfront: Add stub for X11 frontend support.

Signed-off-by: Chris Patterson <cjp256@gmail.com>
qips: Improve argument handling with getopt_long().
- added stub daemonize option
- allow configurable qmp socket path
- module providers now must be specified
- added usage() help function
- added flag to allow SIGINT termination

Signed-off-by: Chris Patterson <cjp256@gmail.com>
qips: add missing else statement.

Signed-off-by: Chris Patterson <cjp256@gmail.com>