Refactored card into player and dealer cards.
Refactored card collection
Turn off mouse over on dealer square
Fixed styling to make dealer card look reasonable at small size
Show the actual numbers needed when a card is one away from being complete
Implemented a group of dealer cards
Dealer cards are always auto-picked regardless of setting for player
Reset game resets the dealer cards also
Fixed resetting the game ending up with the wrong interval for picking new balls
Fixed lobby and sound buttons triggering with mouse move rather than mouse down
Fixed issue when changing the speed would recall all the existing balls
Merge pull request #18 from Mekire/master

Light improvements.
Allow player to trigger moving to next ball
Fixed issue where "balls remaining" display would update one ball late
Merge remote-tracking branch 'remotes/upstream/master' into PaulBingoBranch
Fixed broken auto pick button
Make the last ball called a different colour in the ball tray
Update the squares to go label for a card immediately
Highlight column header of the ball that has just been called
Highlight column header of the ball that has just been called