Reviewing the process for giving people commit rights

[David Hurka]

> I would like to add that GitLab has made it *significantly* easier to
> contribute without commit access. Think about what it was like in
> Phabricator era (or even Reviewboard). [...]

As a contributor who used Invent with and without commit access, I agree with 
this statement. Commit access was more useful (in the sense of necessary) with 
Phabricator.