Update v1.2

Fairly large structural update here, with a few bug-fixes, bringing Volume 1 into feature-parity with Volume 2:

• Switched to improved lighting model and shaders.

• Increased time-of-day change-rate.

• Improved buoyancy realism.

• Smoothed controller input; no more shaky hands while holding ships!

• Fixed issue where rotating camera via mouse wasn't aligned properly to the headset.

• Updated code to match MS:V2.

• Better ocean sounds.

• Iowa's radar corrected to match WW2 configuration.

• Increased detail of Iowa's Bofors guns.

• Adjusted smoothing normals on some Zumwalt features.

• ABQAIQ's bow-thrusters no longer obscured.

• The Mermaid's mesh is now much less blocky.

• Desktop mirror fades in/out when headset does.

• Added Oculus audio spatializer.

• Fixed issue with some edges not drawing correctly underwater.

• Camera shake from gunfire now decreases with distance.

• Ships now always appear in front of camera when changing ships.

• Added some missing colliders to QM.

• Added splash-screen while loading.