Add body argument to `pr merge` command.#2810

Merged

vilmibm merged 3 commits intocli:trunkfrom

ptxmac:ptx/pr-merge-body

Jan 21, 2021

Commits on Jan 20, 2021

Add body argument to `pr merge` command.
ptxmac
committed

Commits on Jan 21, 2021

remove stray binary
vilmibm
committed
simplify slightly, add tests
vilmibm
committed