added audio for jump and kill baddie x
Merge pull request #7 from LizaHCarter/liza

Liza
Merge branch 'shruti' of https://github.com/LizaHCarter/roundup into liza
changed title
Merge pull request #8 from LizaHCarter/liza

Liza
placed background image in the gameboard
sorted out issue with the ledges being different than master
changed platform color
Merge pull request #9 from LizaHCarter/shruti

Shruti
background is complete
Merge pull request #10 from LizaHCarter/background

Background
fixed kill Z file