Implementing first version of delegate factories for services
Renaming 'delegates' => 'delegators'
Adding support for lazy services
Verifying proxy initialization
Rebasing, bumping proxy manager version
Rebase adjustments
Defaulting the proxy generator so that no proxies are written
Removing minimum stability flag
Merge pull request #4146 from Ocramius/feature/proxy-delegate-services

Lazy services
Merge branch 'feature/4146' into develop

Close #4146