Cleans up the formatting and style of robot_upgrades.dm.
Reduces the VTEC module's movement delay reduction from 1 to 0.5 as it's currently way too fast. This value is made a simple define so it can easily be changed in future.
Converts a lot of magic booleans to TRUE/FALSE.
Inverts the boolean logic of the /obj/item/borg/upgrade/proc/action base so it's consistent with all derived types.