implicit branch: unify Box- and CC-LocalJacobian to ImplicitLocalJacobian. Delete cclocaljacobian.hh. Deprecate BoxLocalJacobian in favor of ImplicitLocalJacobian. Adapt includes and names.

git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/branches/implicit@9749 2fb0f335-1f38-0410-981e-8018bf24f1b0