Fixed one billon bugs, and added even more features.

AMDiS/src/DOFMatrix.cc

AMDiS/src/DOFVector.cc

AMDiS/src/DOFVector.h

AMDiS/src/DOFVector.hh

AMDiS/src/Debug.h

AMDiS/src/DirichletBC.cc

AMDiS/src/FirstOrderAssembler.h

AMDiS/src/FirstOrderTerm.h

AMDiS/src/Operator.h

AMDiS/src/OperatorTerm.h

AMDiS/src/ProblemStat.cc

AMDiS/src/SubAssembler.hh

AMDiS/src/SystemVector.h

AMDiS/src/est/RecoveryEstimator.cc

AMDiS/src/parallel/BddcMlSolver.cc

AMDiS/src/parallel/InteriorBoundary.cc

AMDiS/src/parallel/MeshDistributor.cc

AMDiS/src/parallel/ParallelDofMapping.cc

AMDiS/src/parallel/ParallelDofMapping.h

AMDiS/src/parallel/PetscSolver.h