v0.7.5e: fixed hitching errors in tween-based movement

SPD-classes/src/main/java/com/watabou/noosa/tweeners/Tweener.java

@@ -50,6 +50,13 @@ abstract public class Tweener extends Gizmo {
 			return;
 		}
 		elapsed += Game.elapsed;
+		
+		//it's better to skip this frame ahead and finish one frame early
+		// if doing one more frame would result in lots of overshoot
+		if ((interval - elapsed) < Game.elapsed/2f){
+			elapsed = interval;
+		}
+		
 		if (elapsed >= interval) {
 			updateValues( 1 );
 			onComplete();