some fixes [multithreading,..]

needed interface changes [new options]
logger for android
wifi-ap-optimization
new test-cases

grid/walk/v2/modules/WalkModuleButterActivity.h

@@ -2,12 +2,30 @@
 #define WALKMODULEBUTTERACTIVITY_H
 
 #include "WalkModule.h"
-#include "WalkStateHeading.h"
 
 #include "../../../../geo/Heading.h"
 #include "../../../../math/Distributions.h"
 #include "../../../../sensors/pressure/ActivityButterPressure.h"
 
+DEPREACTED
+SEE WalkModuleActivityControl
+
+struct WalkStateBarometerActivity {
+
+	/** innser-struct to prevent name-clashes */
+	struct Barometer {
+
+		/** activity currently detected from the baromter */
+		ActivityButterPressure::Activity activity;
+
+		Barometer() : activity(ActivityButterPressure::Activity::STAY) {;}
+
+	} barometer;
+
+	/** ctor */
+	WalkStateBarometerActivity() : barometer() {;}
+
+};
 
 /** favor z-transitions */
 template <typename Node, typename WalkState> class WalkModuleButterActivity : public WalkModule<Node, WalkState> {
@@ -16,11 +34,15 @@ public:
 
 	/** ctor */
     WalkModuleButterActivity() {
-		;
+
+		// ensure templates WalkState inherits from 'WalkStateBarometerActivity'
+		StaticAssert::AinheritsB<WalkState, WalkStateBarometerActivity>();
+
 	}
 
-	virtual void updateBefore(WalkState& state) override {
+	virtual void updateBefore(WalkState& state, const Node& startNode) override {
 		(void) state;
+		(void) startNode;
 	}
 
 	virtual void updateAfter(WalkState& state, const Node& startNode, const Node& endNode) override {
@@ -43,11 +65,11 @@ public:
 
         const int deltaZ_cm = curNode.z_cm - potentialNode.z_cm;
 
-        if(state.act == ActivityButterPressure::Activity::DOWN){
+		if(state.barometer.activity == ActivityButterPressure::Activity::DOWN){
             if (deltaZ_cm < 0) {return 0;}
             if (deltaZ_cm == 0) {return 0.1;}
             return 0.9;
-        } else if (state.act == ActivityButterPressure::Activity::UP){
+		} else if (state.barometer.activity == ActivityButterPressure::Activity::UP){
             if (deltaZ_cm > 0) {return 0;}
             if (deltaZ_cm == 0) {return 0.1;}
             return 0.9;