Beta Branch Update: Build 152 - Creeper, VR height adjustment, bugs

A new update (Build 152) is now on the Steam beta branch.

Added creeper object to enable desktop and VR users to work under the car.

• Interact with the creeper head rest to use the creeper.

• Move using normal inputs (slower than normal, and VR teleport is disabled).

• Desktop: Rotate creeper with creeper turn inputs (default left/right angle brackets).

• Desktop: Exit creeper by standing up (default space bar).

• VR: Exit the creeper by adjusting crouch/stand height (see below).

VR:

• Allow VR players to crouch/stand, enabling better play for seated users.

•  Hold forward on the right thumbstick/pad to enter crouch/stand adjust mode.
  

•  While in crouch/stand adjust mode, use the left thumbstick/pad forward/back to adjust standing height.
  

•  While in crouch/stand adjust mode, press the use button to reset standing height.
  

•  Automatically reset location and crouch/stand height under some conditions (e.g. putting head through wall/floor)
  

Desktop:

• Restrict minimum crouch height.

Add missing 29mm socket to impact socket kit. Minor tweaks and bugfixes.