fix: Mock responses should fire when timers are mocked (nock#1336)

Fix picked from nock#1335.

Revert nock#1270. Fix nock#1334.

fix: Mock responses should fire when timers are mocked (nock#1335)

Revert nock#1270. Fix nock#1334.

fix: package.engines is supposed to be an object

https://docs.npmjs.com/files/package.json#engines

fix: package.engines shows incorrect versions and is supposed to be a…

…n object

ci(travis): run release stage on [Version].x, next, beta branches

fix(nock#1266): throw useful error if "method" parameter is not set f…

…or .intercept() – thanks @labsvisual

docs: show usage of beforeFunc in nockback (nock#1263)

Merge pull request nock#1250 from vwxyutarooo/master

fix(nock#1041): apply filteringPath from nockBack before option

Merge pull request nock#1238 from nock/greenkeeper/debug-4.1.0

update debug to version 4.1.0

test: skip failing test (nock#1222)