Update CHANGELOG.md

Publish v1.2.1 (facebook#785)

Publish v1.2.0 (facebook#753)

Publish v1.1.5 (facebook#707)

1.1.4

Publish v1.1.3 (facebook#695)

Publish v1.1.2 (facebook#685)

* Update tree-node-cli

* Publish v1.1.2

* Fix version

Publish v1.1.1 (facebook#681)