Streaming REST API.

(and some minor crap in the responses to make the java client happy)

cbugg: close bug-444
Running tests points out issues.

This one streamingUri I added isn't actually part of the normal
expected response.  Thanks, tests.  :)
Handle invalid JSON data for mapping.

Also: allow some number of map errors before aborting.

cbugg: close bug-496
remove bucketpath binary from repo
"What's CBGB?" talk for demo day

cbugg: close bug-471
The slide ordering just looked wrong when I went over this.
Added a quick intro slide.
REST /pools tweaks to support NS js login.