ceylon/ceylon.language — pull request #420 by loicrouchon (2014-03-22 12:43:37+00:00)
Title: Contrain annotation type in metamodel

Constrain `Annotation` type parameter to `ceylon.language.Annotation` for methods:
- `Package.annotatedMembers()`
- `ClassOrInterfaceDeclaration.annotatedMemberDeclarations()`
- `ClassOrInterfaceDeclaration.annotatedDeclaredMemberDeclarations()`