Introduce requested changes

- Cost of Chameleon is now 3, brought down 1 TC from 4
- Added scan var to toggle scanning. Added an Object verb to toggle
scanning
- Chameleon Projector will not scan things if scanning is turned off
- Chameleon Projector can now scan ANY children of /mob. This goes from
other humans (humans, tajarans, vox, etc) to Ian, hostile mobs, monsters
and the like
- Move delay reduced by 2 ticks across the board
- Remove activation and de-activation noise