Created Powerup class.
Added check in update loop to spawn power at random interval.
Implemented Powerup contact.
Merge branch 'bradmaster' into powerups
Merge fixes.
Implemented first Powerup type.
Implemented first bad Powerup, with separate timer.
Added points Powerups
Created Timer class that shows on screen.
Created a swapPowerup function on Powerup.
Final fixes of swap Powerup.
Moved Powerup class file in file structure.
Merge branch 'bradmaster' into powerups
Master merge fixes.
Powerup scale crash fix.
Merge pull request #11 from ranleung/powerups

Powerups