[io]

adapted the interfacegridcreator to the common GridCreator type structure
and for the use in the common start.hh
deprecated the interfacemeshcreator.hh

[multidomain]
adapted multidomain to be used with the common start.hh
deprecated the old multidomainproblem constructor

thanks to and reviewed by bernd and gruenich



git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@15161 2fb0f335-1f38-0410-981e-8018bf24f1b0