update header

Common/Colors.h

Common/CommandLine.cpp

Common/CommandLine.h

Common/Context.cpp

Common/Context.h

Common/CreateFile.cpp

Common/CreateFile.h

Common/DefaultOptions.h

Common/Gmsh.cpp

Common/Gmsh.h

Common/GmshDefines.h

Common/GmshMatrix.h

Common/GmshUI.h

Common/Hash.h

Common/HashMap.h

Common/License.cpp

Common/ListUtils.cpp

Common/ListUtils.h

Common/Main.cpp

Common/Makefile