scope scheduling RFC#1

Merged

nikomatsakis merged 6 commits intorayon-rs:masterfrom

nikomatsakis:scope-scheduling

Dec 12, 2018

Commits on Nov 1, 2018

start working on scope scheduling RFC
nikomatsakis
committed

Commits on Nov 14, 2018

update with lots of new text
nikomatsakis
committed

Commits on Dec 7, 2018

Commits on Dec 10, 2018

fix cuviper's comments
nikomatsakis
committed

Commits on Dec 12, 2018

specify method name of `ScopeFifo::spawn_fifo`
nikomatsakis
committed