Prepare version 4.0.2 (palantir#1778)

Merge pull request palantir#1756 from palantir/ad/master-into-next

Prepare release v4.0.0-dev.3

Prepare release v4.0.1 (palantir#1755)

4.0 blog post formatting fixes

Merge pull request palantir#1743 from palantir/ad/master-into-next

Merge master into next

v4.0.0-dev.1

Merge pull request palantir#1596 from palantir/ad/master-into-next

Prepare v4.0.0-dev.0

v3.15.1 with updated tslint:latest config (palantir#1508)

Prepare Release v3.15.0 (palantir#1502)

Prepare release v3.15.0-dev.0 (palantir#1501)