interface changes

added new data-strcutures for new sensors
new helper methods
fixed some issues

grid/walk/v2/GridWalker.h

@@ -111,9 +111,6 @@ public:
 		Assert::isBetween(walkImportance, 0.0f, 2.5f, "grid-node's walk-importance is out of range. Did you forget to calculate the importance values after building the grid?");
 		probability *= walkImportance;// < 0.4f ? (0.1) : (1.0);			// "kill" particles that walk near walls (most probably trapped ones)
 
-
-		//probability = std::pow(probability, 5);
-
 		// sanity check
 		Assert::isNotNaN(probability, "detected NaN grid-walk probability");