Merge branch 'master' of http://github.com/inducer/meshmode into refinement

doc/conf.py

examples/plot-connectivity.py

meshmode/discretization/__init__.py

meshmode/discretization/connection.py

meshmode/discretization/visualization.py

meshmode/mesh.py

meshmode/mesh/__init__.py

meshmode/mesh/generation.py

meshmode/mesh/io.py

meshmode/mesh/processing.py

meshmode/mesh/visualization.py

setup.cfg

setup.py

test/test_meshmode.py