Fixing the laser refactorisation...
Laser lift fixes

Fixed laser lift support for sign right above or below it
Fixed laser lift still working with only 1 air block below it
Fixed laser lift 'down' moving entity below target
Fixed laser lift not consuming energy
Fixed laser lift moving entities without beam
Better laser beam

Improved laser beam to actually start from the block
Merge remote-tracking branch 'origin/master' into TDK