Don't use keg-only and pouring jargon.

This is unnecessarily confusing to end-users and the "fun" naming doesn't really communicate anything. @mistydemeo and I talked about this.

CC @adamv @mistydemeo @jacknagel @tdsmith @asparagui for thoughts and review.
Quarantined? Secluded? Isolated? Cloistered? Sequestered? Still feel like ``` unlinked-by-default ``` is clunky :crying_cat_face: