Fixed several more problems:
Fixed several more problems:

   1. The generated root node's attributes did not have the correct
      namespace information.
   2. tweek_gadget properties for various device types use child elements,
      and they were getting lost because the wrong conversion was used.
   3. MotionStar, Intersense, and TrackdSensor all have a position_filters
      property that must be updated.


git-svn-id: 769d22dfa2d22aad706b9a451492fb87c0735f19@13259 08b38cba-cd3b-11de-854e-f91c5b6e4272

vancegroup-mirrors/vrjuggler,LiuKeHua/vrjuggler,godbyk/vrjuggler-upstream-old,MichaelMcDonnell/vrjuggler,godbyk/vrjuggler-upstream-old,vrjuggler/vrjuggler,vancegroup-mirrors/vrjuggler,vrjuggler/vrjuggler,LiuKeHua/vrjuggler,godbyk/vrjuggler-upstream-old,godbyk/vrjuggler-upstream-old,vrjuggler/vrjuggler,LiuKeHua/vrjuggler,vrjuggler/vrjuggler,LiuKeHua/vrjuggler,vrjuggler/vrjuggler,vrjuggler/vrjuggler,godbyk/vrjuggler-upstream-old,MichaelMcDonnell/vrjuggler,godbyk/vrjuggler-upstream-old,vrjuggler/vrjuggler,vancegroup-mirrors/vrjuggler,MichaelMcDonnell/vrjuggler,MichaelMcDonnell/vrjuggler,LiuKeHua/vrjuggler,MichaelMcDonnell/vrjuggler,vrjuggler/vrjuggler,vancegroup-mirrors/vrjuggler,vancegroup-mirrors/vrjuggler,LiuKeHua/vrjuggler,MichaelMcDonnell/vrjuggler,LiuKeHua/vrjuggler,MichaelMcDonnell/vrjuggler,MichaelMcDonnell/vrjuggler,vancegroup-mirrors/vrjuggler,LiuKeHua/vrjuggler