Prepare release v5.0.0-dev.0 (palantir#2297)

Prepare release v4.5.1-dev.0 (palantir#2295)

Prepare release v4.5.1 (palantir#2274)

Prepare for v4.5.0 (palantir#2258)

Revert " Support multiple old-style options. (palantir#2123)"

This reverts commit c5f52a1.

Prepare for v4.4.1 (palantir#2120)

* Prepare for v4.4.1

* update yarn

Prepare for v4.4.0 (palantir#2109)

Disable `no-invalid-this` in tslint:latest (palantir#1994)

Prepare release v4.3.0 (palantir#1990)

Merge pull request palantir#1992 from palantir/next-4.3.0

Prepare v4.3.0-dev.0