Audio and GameMaster changes

Added SFX and Music to the game. Changed a few things related to the
GameMaster. Added some transition states, and made the state variable
only readable.
Merge branch 'Splash-SFX-and-Music' into development
Background speed adjustment

Reduced the background speed
Changed obstacles to “IsTrigger”
Merge branch 'Tweaks-And-Adjustments' into development
Changing Branch
Merge branch 'development' of https://github.com/DadiuTeamOne/Blue into development
Minor scene change

Re-added the two music AudioClips from assets onto GameMasterScript.cs
in the inspector
Merge remote-tracking branch 'origin/development' into LaunchSystem
Bugfixed the Launchfunction

Now you can no longer launch the whale by tapping.
The animation will reset properly when returning to idle.