changed number of fingerprint scans

minor parameter changes
more log lines
added VAP log to UI (debug)
fixed missing wifi timestamp for android live data

Settings.h

@@ -13,7 +13,7 @@ namespace Settings {
 	namespace IMU {
 		const float turnSigma = 1.5;		// 3.5
 		const float stepLength = 0.80;
-		const float stepSigma = 0.10;
+		const float stepSigma = 0.20;
 	}
 
 	const float smartphoneAboveGround = 1.3;
@@ -33,7 +33,7 @@ namespace Settings {
 	}
 
 	namespace WiFiModel {
-		constexpr float sigma = 11.0;
+		constexpr float sigma = 13.0;
 		/** if the wifi-signal-strengths are stored on the grid-nodes, this needs a grid rebuild! */
 		constexpr float TXP = -48;
 		constexpr float EXP = 2.5;