started removing KLib related code:

- assertions
- distributions
new helper methods
worked on stairs
worked on grid-walkers
worked on navigation

grid/walk/GridWalkPushForward.h

@@ -8,9 +8,6 @@
 #include "../Grid.h"
 
 #include "../../math/DrawList.h"
-#include <KLib/math/distribution/Normal.h>
-#include <KLib/math/distribution/Exponential.h>
-
 #include "../../nav/dijkstra/Dijkstra.h"
 
 #include "GridWalkState.h"
@@ -70,7 +67,7 @@ private:
 			const float diffRad = potentialHeading.getDiffHalfRAD(cur.heading);
 
 			// weight this change
-			const float prob1 = K::NormalDistribution::getProbability(0, HEADING_ALLOWED_SIGMA, diffRad);
+			const float prob1 = Distribution::Normal<float>::getProbability(0, HEADING_ALLOWED_SIGMA, diffRad);
 
 
 			// distance from average? and previous distance from average