Kommentare fuer Doxygen hinzugefuegt

common/function.hh

common/functionspace.hh

common/mapping.hh

common/operator.hh

common/vectorspace.hh

doc/Doxyfile

fem/common/basefunctions.hh

fem/common/discretefunction.hh

fem/common/discretefunctionspace.hh

fem/common/discreteoperator.hh

fem/common/dofiterator.hh

fem/common/fastbase.hh

fem/common/localfunction.hh

fem/common/localoperator.hh

fem/common/quadrature.hh

grid/albertgrid.hh

grid/common/grid.hh

grid/simplegrid.hh