* Split cards shows left and right mana cost (in deck editor, hand, etc);
* Adventure cards shows adventure and normal cost (in deck editor, hand, etc);
* Adventure cards shows adventure spell name in deck editor's list;
* Fixed missing loading cursor in deck editor searching;
* Added FrameStyle Enum containing a list of styles that cards can be rendered in.
* Added getFrameStyle() getter to Card interface.
* Implemented getFrameStyle() for various concrete implementations of Card.