huge commit

- worked on about everything
- grid walker using plugable modules
- wifi models
- new distributions
- worked on geometric data-structures
- added typesafe timestamps
- worked on grid-building
- added sensor-classes
- added sensor analysis (step-detection, turn-detection)
- offline data reader
- many test-cases

grid/factory/v2/GridNodeImportance.h

@@ -0,0 +1,18 @@
+#ifndef GRIDNODEIMPORTANCE_H
+#define GRIDNODEIMPORTANCE_H
+
+
+struct GridNodeImportance {
+
+	/** importance-weight for dijkstra calculation */
+	float navImportance;
+
+	/** get the node's nav importance */
+	float getNavImportance() const {return navImportance;}
+
+	/** ctor */
+	GridNodeImportance() : navImportance(1.0f) {;}
+
+};
+
+#endif // GRIDNODEIMPORTANCE_H