add an 'Advice' button that advises current player to either stay or hit.

[chavez95]

This should use similar logic as the dealer to determine what advice to give to the player.

[steve-fields]

F16 OK (200 pts)

[steve-fields]

http://wizardofodds.com/games/blackjack/strategy/4-decks/

Might be useful for future groups

[scottpchow23]

200 xp

W18 OK