Enable injecting a list of dependencies

[saskodh]

Goal

Have support for injecting a list of dependencies. Example:

@Component(DependencyToken)
class DependencyImplOne implements IDependency { ... }
@Component(DependencyToken)
class DependencyImplTwo implements IDependency { ... }

@Component()
class Component {
  @Inject(DependencyToken)
  private dependencies: Array<IDependency>
}