[Reviewer Andy] Dynamic Sproutlet loading

Andy

Can you review the changes for dynamic sproutlet loading.  I'll email updated spec separately.

Mike
I don't think they have to be co-located - it will work fine with a cluster of memento-as boxes and a separate cluster of memento web servers so long as they are sharing the same cassandra cluster, so we should bake a dependency in to the packages.  Ellie - shout if I'm talking rubbish here.