Support building wheels (PEP-427)

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

Change-Id: I1cbbb0f8db40bfce6e9a64f4dc14596baa90834b
Bump version to 2014.1

Change-Id: Ied1ee485bd59e5d0b139a3fcf4c686372a7a9a05