add extra scenes
-separated spawn obstacles into 3 separate functions so that they can spawn more randomly
- changed the speed of bench to the speed of the road
add screen buttons and code
Merge branch 'master' into MenuScreens
-test having trashcan as global variable
Merge remote-tracking branch 'upstream/master'
commit after pull
- removed duplicate code
Merge pull request #12 from vlee90/vincentBranch

Adding duck and stand functionality
removed duplicate code
update action animation
-increased number of trashCans that spawn
Merge branch 'KoriBranch'
-non change commit
Merge remote-tracking branch 'upstream/master'
commit after pull
-commented out variables  trashCan and craneHook declared in didMoveToView
Merge branch 'master' into ActionAnimations
Merge pull request #13 from Kolo13/master

obstacles update