keycap font, edit on Thai font, actor can now flagged to despawn, draft for projectile "actor"

Former-commit-id: 5a46366ac1680f040fe6e5ace742b71a86982efa
Former-commit-id: 30e481f10cc8c09d4fc4ff1f52a4a45d91e3ab2d

src/net/torvald/terrarum/gameactors/ProjectileHoming.kt

@@ -0,0 +1,13 @@
+package net.torvald.terrarum.gameactors
+
+import org.dyn4j.geometry.Vector2
+
+/**
+ * Created by minjaesong on 16-08-29.
+ */
+class ProjectileHoming(type: Int, position: Vector2, velocity: Vector2, luminosity: Int = 0) :
+        ProjectileSimple(type, position, velocity, luminosity) {
+
+
+
+}