Support building wheels (PEP-427)
Support building wheels (PEP-427)

Universal is used to identify pure-Python module(by bdist_wheel). For
these, it is sufficient to build a wheel with _any_ Python ABI version
and publish that to PyPI (by whatever means).

Change-Id: Ieabefc1fc8c8fbcd8749c07ccabb1ff88e1a761e

shad7/oslo.config,JioCloud/oslo.config,tianshan/oslo.config,magic0704/oslo.config,varunarya10/oslo.config