Moved gun data into databases jsons, made core read from databases

src/core/include/groundunit.h

@@ -8,6 +8,8 @@ class GroundUnit : public Unit
 public:
 	GroundUnit(json::value json, unsigned int ID);
 
+	static void loadDatabase(string path);
+
 	virtual void setState(unsigned char newState);
 	virtual void setDefaults(bool force = false);
 
@@ -17,4 +19,5 @@ public:
 
 protected:
 	virtual void AIloop();
+	static json::value database;
 };