api:send 200 if not enough gp, no need to error
api: fixes to scoring task if no req.body sent
set mocha timeout to 4s
api: fix major "no open db connections" bug - run bulk-task-update
serial, not parallel.
API utility sendResult function, new `POST /api/v1/register` route to register new uname/pass users (i'm thinking about nixing facebook altogether in the future)
api; on batch-update, override res.send & res.json to call the series
callback instead, and simply skip error paths. we need to send down the
error eventually