Support building wheels (PEP-427)

With that, "python setup.py bdist_wheel" could be used for building and uploading wheels to PyPI.

Change-Id: Ibafabebeeb113ef9b5e6af14fa7278841be6b429
Bump version to 2014.1

Change-Id: I0c5f11fa3d29d699b989e11d9fa7731b6b9d56b0