More enum work.

src/engine/wpak/PowerEntry.java

@@ -29,8 +29,8 @@ public class PowerEntry {
     public float release_time;
     public float recycle_time;
     public int hitRollYN;
-    public String castingMode;
+    public mbEnums.CastingModeType castingMode;
     public int initAmin;
     public int releaseAnim;
-    public String targetSelect;
+    public mbEnums.TargetSelectType targetSelect;
 }