* refactor: added helper emblems instead rad counter's inherent emblems (use initGameDefaultHelperEmblems to define new card hints or other fake objects);
* refactor: added card hints support for emblems, planes and other command objects;
* GUI: added storm counter as default card hint (use hints tool to see it, closes#12360);
* apply regex to change public copy constructors to protected
* cleanup code using now protected constructors
* fix manaBuilder weird casting of Mana into ConditionalMana
* replaced blocking/blocked by predicates
* added test for knight of dusk (currently fails)
* added source parameter to filters and everything else that needs it
* some changes to various predicates
* test fix
* small changes to filter code
* merge fix
* fixed a test failure
* small change to Karn, Scion of Urza
* removed sourceId from filter methods and other similar places
* added new getobject method to fix some test failures
* a few more fixes
* fixed merge conflicts
* merge fix
"b" + "r" now changed to 'b' + 'w'. It's more straight-forward, and may cause perfomance improvements - character primitives allocation is faster and less expensive than string creation.
