GitLab

Test: fix flakey session peer manager tests

Refactor: use global pubsub notifier

ci: allow circle to use any orb version

ci: fix badge and orb cache

ci: finish circleci migration

overlap3 and 2 are identical

ci: switch to circle

feat: process response message blocks as a batch

network: Allow specifying protocol prefix

fix: memory leak in latency tracker on timeout after cancel

* docs(README): provide detail on setup, usage, and implementation

Greatly fills out the Bitswap README to provide a good intro to the library, how to set it up, how
to use it, and how it works.

Fix typo