Add utf-8 coding to setup.py.
Add utf-8 coding to setup.py.

crowd-ai/post-processing-experiments,crowd-ai/post-processing-experiments,lucasb-eyer/pydensecrf,crowd-ai/post-processing-experiments,lucasb-eyer/pydensecrf,lucasb-eyer/pydensecrf,crowd-ai/post-processing-experiments