added qtcreator project files to git ignore - bye bye eclipse you slow old dog
added qtcreator project files to git ignore - bye bye eclipse you slow old dog

MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3