renamed template parameters, to shorten error messages and symbols

src/amdis/Assembler.hpp

src/amdis/DataTransfer.inc.hpp

src/amdis/DirichletBC.hpp

src/amdis/DirichletBC.inc.hpp

src/amdis/GridFunctionOperator.hpp

src/amdis/GridTransferManager.hpp

src/amdis/Integrate.hpp

src/amdis/LocalOperator.hpp

src/amdis/OperatorList.hpp

src/amdis/PeriodicBC.hpp

src/amdis/PeriodicBC.inc.hpp

src/amdis/gridfunctions/AnalyticGridFunction.hpp

src/amdis/gridfunctions/ConstantGridFunction.hpp

src/amdis/linearalgebra/Constraints.hpp

src/amdis/linearalgebra/DOFMatrixBase.hpp

src/amdis/linearalgebra/DOFMatrixBase.inc.hpp

src/amdis/linearalgebra/DOFVectorBase.hpp

src/amdis/linearalgebra/DOFVectorBase.inc.hpp

src/amdis/linearalgebra/LinearSolver.hpp

src/amdis/linearalgebra/LinearSolverInterface.hpp