Merge branch 'patch' into 'master'

- Reset the activations so that flickering a planeswalker can activate the loyalty ability again

See merge request core-developers/forge!322

forge-game/src/main/java/forge/game/GameAction.java

@@ -460,6 +460,10 @@ public class GameAction {
             unattachCardLeavingBattlefield(copied);
             // Remove all changed keywords
             copied.removeAllChangedText(game.getNextTimestamp());
+            // reset activations
+            for (SpellAbility ab : copied.getSpellAbilities()) {
+                ab.getRestrictions().resetTurnActivations();
+            }
         } else if (toBattlefield) {
             // reset timestamp in changezone effects so they have same timestamp if ETB simutaneously 
             copied.setTimestamp(game.getNextTimestamp());