Fix sign time format to be 24H
Create material brush system for encapsulating construction materials.
Some work on the clone material. Still not functional.
Re-arrange some classes and packages.
Fix the vector calculation for the clone material.
Refactor out material ids from Wand data, and implement "replicate" material.
Fix active material display name after upgrade, and add clone-replicate material to engineer wand.
Nerf construction spells.

Note that a wand's power may be configured to over 1 for increased
construction ability.
Fix cloning cross-world
Fix some typos.
Better labelling of spells in the wand inventory.
Small infobook update.

Need to teach people about wand Power.
(also minor cleanup)
Fix the replicate material.
Use shift+click to quick activate, even in the hotbar.

Just feels more consistent.
Fix wand material display.