Merge pull request filecoin-project#5104 from filecoin-project/releas…

…e/v1.2.2

Lotus version 1.2.2

Merge pull request filecoin-project#5086 from filecoin-project/feat/b…

…etter-sector-check

miner: Add slow mode to proving check

Merge pull request filecoin-project#4937 from filecoin-project/asr/ch…

…angelog

Lotus version 1.2.1

Set calico and persian epochs for calibration-net

Set calibration net calico and persion epochs

Merge pull request filecoin-project#4871 from filecoin-project/releas…

…e/v1.2.0

v1.2.0 staging branch

Merge branch 'master' into ntwk-calibration

Correct CHANGELOG

Merge pull request filecoin-project#4814 from filecoin-project/feat/r…

…w-close

update libp2p for stream interface changes

Lotus version 1.1.3-pre1