Change Log: 1006

• Added end of demo window
• Removed end of demo scene
• Added credit roll placeholder for end of demo
• Made spawn orb left/right work in game
• Separated Boss antenna spawn into left and right animations. Added left and right antenna idle animations.
• Added boss animation transform to stage 2
• Added new MG_SpineAnimation to easier control Spine animation layers at runtime
• Added scene trigger for hub room
• Started new end game hub room
• Added CutsceneSubtitles
• Added exploding ground prefab to Sinew
• Added Boss Stage 2: Spawnx2Antenna and AntennaIdle animations.
• Added dialogue typing sound
• Added more UI sounds to work with. Windows/Buttons