Paper: Blaze: Building A Foundation for Array-Oriented Computing in Python (Mark Wiebe)

Skeleton up.  Should be workable soon.

cc @mwiebe 
Why do "NumPy" and "Pandas" lead off as the projects that demonstrate the value of interactive array and table objects?  The rest of this section makes it clear that this is a problem of general interest beyond the data analysis community.  This sentence needs further revision.