ISF: const fixes
The simulate and simulateVector methods of ISimulatorTool shouldn't be const because some tools modify data that they hold via pointers.
Fixes warnings seen when the thread-safety checker is made stricter.
The simulate and simulateVector methods of ISimulatorTool shouldn't be const because some tools modify data that they hold via pointers.
Fixes warnings seen when the thread-safety checker is made stricter.