Merge pull request #1 from pinkenburg/root6

.travis.yml

CMakeLists.txt

GBL/include/GFGbl.h

GBL/include/GblData.h

GBL/include/GblFitStatus.h

GBL/include/GblFitter.h

GBL/include/GblFitterInfo.h

GBL/include/GblTrajectory.h

GBL/include/ICalibrationParametersDerivatives.h

GBL/src/GBLLinkDef.h

GBL/src/GFGbl.cc

GBL/src/GblFitter.cc

GBL/src/GblFitterInfo.cc

GFRave/include/GFRaveConverters.h

GFRave/include/GFRaveTrackParameters.h

GFRave/src/GFRaveConverters.cc

GFRave/src/GFRavePropagator.cc

GFRave/src/GFRaveTrackParameters.cc

GFRave/src/GFRaveVertexFactory.cc

README.build