Fixing Text

Fixing text to work and show up. This is good enough for now. Ofcourse
more work will be needed to make it fork as specificaiton. But for now
just a test showing up at the right place will do.
Compiling pointing-device-sensor.lisp

Bringing in the pointing device sensor. This work was done as a possible
way to do navigation with the scene. I used a simple mechanism and
sensors are not implementd yet. Just compiling it and adding dependencies.