collections

Rename some methods of `InstantiatorFactory`.

Added public factory methods to create `NamedDomainObjectSet` and `NamedDomainObjectList` instances.

Apply DSL decoratation to the elements created by containers created using `ObjectFactory.domainObjectContainer()` and for read-only managed properties.

Apply `Anonymous type can be replaced with lambda` inspection the whole project

Change AbstractIterationOrderRetainingElementSource fields from Lists to Sets

Replace anonymous classes with lambdas

Delegate to underlying event register to enforce filtered views

These two calls should be equivalent in behavior (maybe not performance)

container.matching(pred).withType(type).all {}

container.withType(type).matching(pred).all {}

A regression was introduced that skipped honoring the matching(pred) when this

was done first.

Fix checkstyle issues