Merge pull request #56 from teharrison/master

more nb changes
Merge pull request #57 from teharrison/master

config changes / ipython communication fix
Merge pull request #58 from teharrison/master

another id change - we need a config file
removed receive message event listener
Merge pull request #59 from paczian/master

removed message event listener
quick hack to get the demo working
Merge pull request #60 from paczian/master

minor demo update
pimped the number of metagenomes
Merge pull request #61 from paczian/master

demo upgrade
removed hardcoded key, made builder space taller