start geometry and interpolation encapsulation
reconstruct the class dependecy but in the headers only
try new dg basis in a maple worksheet
add mainpage in doc
enrich interpolation test with arbitrary degrees in all dorections
multideg conception ok
bug in multideg bad precision rk2
multideg seems to work but transport vector modified
convergence order for multig verified
now a bug in 3d previous test\!
correct the previous bug. forgot to init field\'s is2d to false
add a new 2d test case
multideg works
cleaning before merging