use Wakeful.loadFayeClient to load Faye's client.js
major refactoring of smartboard; conversion to wakeful nearly complete (board loads, but doesn't support new balloons yet)
re-render wall when new contributions are added
reorganized render/force stuff so that it now seems to work more reliably (but connectors sometimes still aren't rendered)
partial -- not fully working -- attempt at making ck.mobile.js wakeful
buildons rendered correclty again, and fixed part of the positioning bug introduced in cloud rewrite
unbind events from BalloonCloud items before reinitiating to avoid double-binding