`code/setup.dm`:
Fixed large amounts of indenting.
Fixed large numbers of comments and their clarity.
Added parentheses to macros using expressions.
Added FIXME for unused duplicated macros, without certainty of their requirement.
Removed some duplicate macros present. (`BRUTE`, `BURN`, etc.)
Removed macro `PI`, and replaced instances of its use with `var/const/Pi` from `maths.dm`
`code/global.dm`:
Fixed large amounts of indenting, added newlines to long single-lined list definitions.
Slightly clarified comments.
Generalized all ninja power and gear code to work with new rig system.
Added shurikens, weapon mount, more work on deployable items.
Readded energy nets and energy blades.
Grenade launcher/charge stuff, interface stuff.
Renamed previously existing rigs to voidsuits, restructured rig and voidsuit files.
Refactored the energy net and teleportation proc.
Totally rewrote AI core/intellicard transfer procs.
Added rig sprites by Mordeth221, added step by steap suit sealing/inability to interfere with suit sealing process.
Updated map paths to use voidsuits.
Added chemical dispenser functionality, added power sink, added atom/drain_power() proc for later use.
Added rigsuit verbs, added voice changer.
Renamed MASKINTERNALS to AIRTIGHT, added internals checks for airtight helmets.
Added drain_power() procs to vulnerable machinery.
Reimplemented data theft.
Added suit maluses for losing your cell while wearing one.
Transitioned the rig suits to a back-mounted item that also controls a chestpiece.
Converted rig module to a storage item, convert ERT voidsuits to hardsuits.
Adds an update_clothing_icon() proc to clothing items that will call the
relevant icon update proc on the mob which is equipping the clothing, if
any. Changes various clothing procs to not call update icon procs on usr
which may not even be the mob wearing the clothing.
