Fix todos

Give eq/hash to SlotPermit

Rename package

Add more to slot infos

Move metric tracking inside of tracking supplier

Publish junit test report / set some task queue kinds

Don't bother with futures since the value they're providing is unclear

Make use of in-use slot tracking map

Internalize tracking slot supplier

[Trial] Seeing if a dedicated thread fixes fixed-size w/ futures

Use completable future, fix sched-to-start timeout test

Fix accidentally removed call to newAttempt for LAs

Mark slots as used
& Apparently I can't update year in license header

Stupid licenses

Tests are mostly working? Local timeouts that I think are unrelated.

Plumbed through & compiling, but a number of TODOS

Add interface, supporting classes, and fixed size impl