new class logger

[maureeungaro]

• GStateMessage renamed glogger, instantiated in the classes instead of derived from. Instead of replacing it copy and substitute in the code so gemc can compile
• add gui to display messages like in the geant4 examples: either in gui or in the message box
  • gfactory
  • gtouchable
  • ghit
  • gtranslationTable
  • gdata
  • gdynamicDigitization
  • eventDispenser
  • gQtButtonsWidget
  • g4display
  • g4dialog
  • gsystem
  • g4system
  • gparticle
  • gphysics
  • gsplash
  • gstreamer
  • gsd
  • gfields
  • utilities
  • gdetector
  • userActions
  • dbselect
  • gui
  • gemc
  • examples