Paper: Scaling Polygon Adjacency Algorithms to Big Data Geospatial Analysis (Jason Laura)

Draft submission.  Changes likely on review of co-author and debugging of the build environment (failing on a fresh Ubuntu 14.04 install + Anaconda + TexLive).
`` :math:`n x n` `` renders a bit funny in the pdf (just "nxn" in italics).  Perhaps you want ``:math:`n \times n` `` or something like that?