15/09 Demo Update

• Added PDAs which contain more information about the story.
• Added an animated loading screen with gameplay tips.
• Updated the plasma blaster sound.
• Fixed missing gamepad input icons.
• Misc. smaller fixes.

VR Changes

• Improved the performance significantly when running on default settings.
• Improved the readability (sharper, less smearing) of the in-game UI.
• Misc. smaller fixes.