"Quick" swap E3D/Titan/BMG/LASER multitool for Prusa i3/Anet A8 style printers with Z probe sensors support

UPDATES
12/06/19 - Added bases for rear blower and holder for rails nuts.
02/05/19 - Deleted old files to avoid confusion. Left base without rails to be able to use the carriage without probe or side blowers.
11/04/19 - Since I'm taking a lot to publish the new thing I updated the current files with the dented files.
29/03/19 - The "final" version is about to be published. Rails, fans and sensors supports will be dented to prevent them from sliding down the rails. Only the base with