Fixing issues with Changelings and general problems with creature types (ready to merge) (#7098)

* updated Changelings to use setIsAllCreatureTypes

* updated Dr Julius Jumblemorph and Mistform Ultimus to not use changeling

* added test for Mistform Ultimus

* updated effects which give all creature types to controlled creatures

* updated effects which give all creature types to targeted creatures

* Update LoseAllCreatureTypesTargetEffect.java

* updated effects which give all creature types to attached creatures

* Update EgoErasure.java

* added another test for changelings

* updated two tokens I left out before

* updated hasSubtype

* updated shareCreatureTypes

* fixed an incorrect test

* cleaned up some cards which check for shared creature types

* added new changeling test

* fixed issue with shareCreatureTypes

* fixed a text issue

* added new tests for subtype effects

* various individual card fixes and cleanups

* fixed and updated various effects

* many more fixes

* a few more fixes

* added test for One with the Stars

* added changeling verify test

* updated effects which add additional subtypes

* more miscellaneous fixes

* added additional test

* some fixes for card type checks

* updated methods for adding types to make it easier to avoid duplicates and illegal additions

* small test update

* fixed a recursive loop issue

* fixed another error

* fixed it for real this time

* streamlined type removal process

* streamlined subtype set generation

Mage/src/main/java/mage/game/permanent/token/ShapeshifterToken.java

@@ -27,6 +27,7 @@ public final class ShapeshifterToken extends TokenImpl {
         subtype.add(SubType.SHAPESHIFTER);
         power = new MageInt(2);
         toughness = new MageInt(2);
+        setIsAllCreatureTypes(true);
         addAbility(ChangelingAbility.getInstance());
     }