Some new upgrades to buy
Added class to upgrades to make them a darker green when you've already bought the upgrade
Do business opportunities to make money during downtime in the game
Brought click power out to method on player service for future upgrades, made business first tab and default, added ads to the page (sorry)
now actually made business be the default view
Added title to game
Fixed issue where game would basically stop updating if the tab wasn't selected in chrome
Merge branch 'master' into unit_tests