GearBlocks Demo 0.6.7603

Hey all, another demo update is just out, with UI and part behaviour improvements, plus a few bug fixes.

Release notes:-

• Improved and added in-game UI overlays to show what actions are available to the player, and the keys bound to them.
  
• Various other tweaks and improvements to UI textures and elements.
  
• Implemented a gear engagement indicator.
  
• Part behaviour actions now have primary and secondary key binding slots (and can use modifier keys).
  
• Added configurable part behaviour settings for input smoothing and motor direction.
  
• Controllable part behaviours can now be configured so that their bound keys either toggle activation on and off, or have to be held down to keep activated.
  
• Enabled linear bearing attachments on gears.
  
• Double clicking on a construction in the world tool UI will now select it.
  
• Bug fixes.
  
• Upgraded to Unity 2019.4.13.