Added info on how to use vagrant
Merge pull request #1 from jwsy/addvagrantinfo

Added info on how to use vagrant
Update README.md
Update README.md
iPython command to provide inline matplotlib figures

Use --pylab=inline

ipython notebook --ip='0.0.0.0' --pylab=inline
Corrected Example numbers

from 17->18 and 17->19
Merge pull request #3 from jwsy/patch-2

Corrected Example numbers
Merge pull request #2 from jwsy/patch-1

iPython command to provide inline matplotlib figures
Update Chapter2.ipynb

Needs to import json for dumps/loads
Merge pull request #4 from jwsy/patch-3

Update Chapter2.ipynb
Updating notebook preambles with links back to GitHub repo in case they are discovered outside of their GitHub contexts somehow.
Adding --pylab=inline to the initial config for the Welcome notebook just in case anyone tries to use it
Updated readme with updated product description