Added. norms_2011_sparse.RDA. Updated galloping_elephants to take column names in prep of galloping_elephants_plot method as wrapper to galloping_plot.  Made some aesthetic changes as well.
Added galloping_elephants_plot method for mapvizier and data.frame objects as a wrapper to Andrew's galloping_elephants.  Added and updated documentation.
Merge pull request #30 from chrishaid/galloping_elephants_2

Galloping elephants 2