AliHLTTPCSpacePointData:

AliHLTTPCSpacePointData:
 new variable Bool_t fUsed  // only needed in AliHLTGUI

AliHLTTPCClusterFinder:
  set variable fUsed = KFALSE // only needed in AliHLTGUI

AliHLTTPCDisplay:
Rename and Merge of functions
Complete new arrangement in order to use the AliHLTGUI
 - 3D Geometry
   - display padrows, cluster, tracks
   - select single Tracks
   - select used / unused cluster
 - Histogram
   - display padrows
   - display pads in padrows