Fixes to setup.py and setup.cfg

[mrmundt]

Fixes:

This PR removes an unnecessary _find_packages routine from the setup.py file.

Summary/Motivation:

We want to use the built-in capabilities of setuptools for packaging PyUtilib and include the LICENSE file when packaging (mostly for Conda distribution).

Changes proposed in this PR:

• Remove _find_packages and replace with setuptools' find_packages
• Include License file in setup.cfg (for Conda distribution)

Legal Acknowledgement

By contributing to this software project, I agree to the following terms and conditions for my contribution:

1. I agree my contributions are submitted under the BSD license.
2. I represent I am authorized to make the contributions and grant the license. If my employer has rights to intellectual property that includes these contributions, I represent that I have received permission to make contributions and grant the required license on behalf of that employer.

[coveralls]

Coverage decreased (-1.08%) to 61.001% when pulling 388e7bc on mrmundt:setup_fixes into 5763915 on PyUtilib:master.

[codecov-io]

Codecov Report

Merging #75 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #75   +/-   ##
=======================================
  Coverage   62.85%   62.85%           
=======================================
  Files          87       87           
  Lines        8777     8777           
=======================================
  Hits         5517     5517           
  Misses       3260     3260

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[blnicho]

Does this fix #72?