fix(HttpPublisher): Http response headers are compatible with node 15

Merge branch 'master' of github.com:enqueuer-land/enqueuer

ci(Travis): Update node version

fix(StoreSetter): Fix setting store through parent node app

fix(LessThanOrEqualToAsserter): Fix assertion description

fix(EnqueuerAsNodeChildRunner): Add new messages to exchange with nod…

…e parent process

fix(RequisitionFilePatternParser): Avoid trying to parse a directory …

…as a requisition file

feat(EnqueuerAsNodeChild): Ability to run enqueuer as a child and exc…

…hange IPC messages with it

fix(SummaryReport): Ignored tests are not taken in consideration to c…

…alculate percentages

fix(PublisherReporter): Include details of 'published' failig test in…

… 'onFinish' hook