added new data-structures

added new test-cases
added flexible dijkstra calculation
added debugging log
modified: plotting, grid-generation, grid-importance,
refactoring

tests/Tests.h

@@ -6,7 +6,7 @@
 #include <gtest/gtest.h>
 
 static inline std::string getDataFile(const std::string& name) {
-	return "/apps/workspaces/Indoor/tests/data/" + name;
+	return "/mnt/data/workspaces/Indoor/tests/data/" + name;
 }
 
 #endif