Implemented saving gruntwork results to file.

* Monkey Skyway paths are now saved in a format compatible with
paths.json
* flush() is called on every periodic DB save in addition to the /flush
and /mss N export commands
* Monkeys now accept WIP routes

src/TableData.hpp

@@ -9,6 +9,8 @@ namespace TableData {
 
     void init();
     void cleanup();
+    void loadGruntwork();
+    void flush();
 
     int getItemType(int);
     void loadPaths(int*);