add: new graph cmd: "stats", now accessible through cmd, not only via menu.

fix: changed language string hashes to reduce collisions.

inc/config.h

@@ -57,7 +57,7 @@ private:
    StringArray m_logos;
    StringArray m_avatars;
 
-   HashMap <uint32, String, Hash <int32>> m_language;
+   HashMap <uint32, String, Hash <int32>> m_language { 256 };
    HashMap <int32, DifficultyData> m_difficulty;
 
    // default tables for personality weapon preferences, overridden by weapon.cfg

inc/control.h

@@ -104,6 +104,7 @@ private:
    int cmdNodeReleaseEditor ();
    int cmdNodeUpload ();
    int cmdNodeIterateCamp ();
+   int cmdNodeShowStats ();
 
 private:
    int menuMain (int item);

inc/graph.h

@@ -371,6 +371,7 @@ public:
    void convertToPOD (const Path &path, PODPath &pod);
    void convertCampDirection (Path &path);
    void setAutoPathDistance (const float distance);
+   void showStats ();
 
    const char *getDataDirectory (bool isMemoryFile = false);
    const char *getOldFormatGraphName (bool isMemoryFile = false);