new quad stuff

CMakeLists.txt

Common/GmshConfig.h.in

Common/GmshDefines.h

Common/Options.cpp

Fltk/optionWindow.cpp

Geo/GFace.h

Geo/GFaceCompound.cpp

Geo/MElement.h

Geo/MQuadrangle.cpp

Geo/MQuadrangle.h

Geo/MTriangle.cpp

Geo/MTriangle.h

Geo/OCCFace.cpp

Geo/OCCFace.h

Mesh/meshGEdge.cpp

Mesh/meshGFace.cpp

Mesh/meshGFaceOptimize.cpp

Numeric/polynomialBasis.cpp

benchmarks/2d/conge.geo

benchmarks/2d/recombine.geo