updated survivalareas spawner values and gatees, updated heavy shoot sound effect
fixed problem where player powerups is not reset when died on survival mode
Merge pull request #102 from jackykschou/GateUpdates

Updated Gates to not have sprite renderer and made them deactivate on survival section start
updated prefabManager, updated boss prefab
Merge pull request #103 from jackykschou/sprint10Merge

Sprint10 merge
Merge branch 'develop' into GateUpdates

Conflicts:
	UnityProject/Assets/Scripts/Constants/AudioConstants.cs