ENH for https://github.com/PySAL/PySAL.github.io/issues/17
Merge pull request #516 from sjsrey/gallery

ENH for https://github.com/PySAL/PySAL.github.io/issues/17
updating pylab call
updating pylab call
Merge branch 'master' of github.com:pysal/pysal
Merge branch 'master' of https://github.com/pysal/pysal into viz
option to have legend turned off