Merge branch 'sub-resource-post-sets-routes-fields' of github.com:rs/eve into rs-sub-resource-post-sets-routes-fields
flake8 magic
Apply sub-request route's params to new documents.
Merge branch 'rs-sub-resource-post-sets-routes-fields' into develop
Add pagination info to get results whatever the HATEOAS status

This is breaking the backward compatibility of collection responses when
HATEOAS is disabled. Collection responses now get always the same response
format. HATEOAS status does only affect the presence of not of the _link
section.

Fixes #355