Acceleo 3.6.3 & AQL 4.1.0M5 - Neon M5 - 201601290717

Versions not bumped yet. Should have been
Acceleo 3.6.4 and AQL 5.0.0. Change will
take place for Neon M6
Remove registration checks for EClassifiers from the services

The responsibility to check whether types are registered or not does not
lie with the service implementation but should be handled higher up at
validation time. This validation now take place in
AstValidator.checkWarningsAndErrors()

Change-Id: I92b324721947f12e8772507fe020b7aa92c88850
9 files changed