WIP: 0.3

[martindale]

Near-total rewrite of the client interface. Needs review.

• [ ] decide/document API, i.e., data-path and data-model seen in #25
• [ ] define permission model for "facades" as seen in #28
• [ ] cash or trash file uploads as seen in #38
• [ ] generate 100% valid markup on all pages (#57)
• [ ] Pagination (#87)
• [ ] Brand Pass (#99)
• [ ] Replace Mongo with Fabric (#100)
• [ ] Enable Tests for Swarm / Peer Agreements (#121)

[44203]