Ability to compile against upstream libev

[FooBarWidget]

As discussed here.

[msva]

ping?

[CamJN]

We'd be open to a PR but don't have time to work on this right now.

[msva]

We'd be open to a PR but don't have time to work on this right now.

And is it still a requirement to sign something to have PR merged, or is it enough to just open a PR request?

[CamJN]

It is still required that you sign the contributors agreement in order for a PR to be merged. We need to ensure there's never an ownership issue with any code in the Passenger codebase.