* apply regex to change public copy constructors to protected
* cleanup code using now protected constructors
* fix manaBuilder weird casting of Mana into ConditionalMana
* Fixed that regeneration shield isn't added to permanent on aura sacrifice cost (example: Stamina, Carapace, see #2221);
* Fixed that regeneration shields accumulated in attached aura instead permanent (bug example: re-attached aura gives old shields to new permanent, see #6846);
* Added card hint with regeneration shields amount (#6846);
