Core is realy wait for work and test

Aliens create, wavetrace work, towers build, aliens move - thats all by
now.
I think it is time to write Graphic and Network modules.

base_types.h

@@ -14,6 +14,7 @@ struct Alien
 	float health;
 	QPoint finish;
 	QVector <QPointF> path;
+	int pathIndex;
 	unsigned int gold;
 };
 
@@ -23,10 +24,11 @@ struct Tower
 	int Id;
 	int type;
 	int AlienId; // aim alien
+	int PlayerId; // tower's owner
 	QPoint pos; // not QPointF because tower fixed on grid
 	float angle; // -180 .. 180
 	float range;
-	float speed; // shots per tick (e.g. speed=1 is 60 shots by 1sec for 60fps e.g. )
+	float reload; // time for reload in ticks
 };