Projector adjustments

  - remove some members that aren't needed right now
  - the transforms are all applied to the model
  - the camera has a fixed origin and lookAt vector
  - changed FOV angle to 90 deg (simpler for some calculations done in mind)
  - don't scale the model but try to translate it such that it's in the view frustum
  - right now m_transZ = -7.0f

  TODO:
    - check if the model bounding sphere tangent to frustum top/bottom planes
       algorithm is what I need

Change-Id: I1cb2a28b0d6074c2ff09d4398dbea3374445d798