Events for remote-block

This is regarding https://github.com/bldr-io/bldr/issues/73
yeah i disagree with @aequasi on this one, but it is fine, you should just comply with what he thinks is best this time. Just don't assume it will always be the case, for instance at work or in Gush repo for instance :blush: :+1: But it is good to know the reasons why we diverge on this one.