fix onUnit events & small initialisation fix

Author: JasperGeurtz

src/main/java/bwapi/BuildingPlacer.java

@@ -368,6 +368,7 @@ static class PlacementReserve {
         }
         void reset() {
             data = new byte[MAX_RANGE][MAX_RANGE];
+            save = new byte[MAX_RANGE][MAX_RANGE];
         }
         // Checks if the given x/y value is valid for the Placement position
         static boolean isValidPos(final int x, final int y) {

src/main/java/bwapi/EventHandler.java

@@ -41,6 +41,7 @@ public void operation(Client.GameData.Event event) {
                 eventListener.onNukeDetect(new Position(event.v1(), event.v2()));
                 break;
             case 8: //UnitDiscover
+                game.unitShow(event.v1());
                 eventListener.onUnitDiscover(game.getUnit(event.v1()));
                 break;
             case 9: //UnitEvade
@@ -72,6 +73,7 @@ public void operation(Client.GameData.Event event) {
                 eventListener.onSaveGame(data.eventString(event.v1()));
                 break;
             case 17: //UnitComplete
+                game.unitShow(event.v1());
                 eventListener.onUnitComplete(game.getUnit((event.v1())));
                 break;
         }