Back-ported mods from Prisma.

Animator: tidy.¹
AudioManager: added stop(), InstancePolicy.Trample; tidy.¹
Asset: tidy.
Bind: redesigned; simplified release/active handlers; tidy.¹
Camera: fixed from Prisma; redesigned; tidy.¹
Core: renamed binds to Binds; ; tidy.¹
FieldAnimator: tidy.¹
Hooker: tidy.
State: added system-specific debug states; tidy.¹
Util: added debug_sub(); tidy.¹

conf: tidy.
main:¹
	reworked LÖVE wrapper to iron out some quirks;
	made love.run() fixed-step;
	added Timer and Event.

1: Back-ported from Prisma (LD26).