Dodelany operatorove funkce, pripraveno na implementaci stale nevim jak nabindovat differentialoperator,
syntakticke chyby uz nejsou, pres make se to prelozi cele

X

-nevim jak priradit vytvoreny operator do differentialOperator
-nejsou zatim implementovane operatorove funkce pro fzyikalni veliciny

Implemeting heat equation benchmark.

Implementing operator function test.

Refactoring the Dirichlet and the Neumann boundary conditions.

RowLengths was renamed to CompressedRowsLengths.
OpenMP support wads added to matrix-vector multiplication and to scalar
products.
CSR format can use Cusparse for SpMV.

simple-solver and make-project were removed from examples.

Min. interations feature was fixed in the GMRES method.
Timers for explicit and semi-implicit timestepping were added.