Update the test suite syntax to require pytest 3.9.3 (for tmp_path fixture).

Add docstrings to all tests.

Address as much lint/technical debt as I could find.

and argparse-manpage

makes it a bit easier to manage

help2man is rubbish

as recommended by the Fedora packaging guide, and build with wheels

as of 0.3.0 igwn-auth-utils no longer has a `[requests]` extra, closes #22

remove manually specified requests extra packages from deb/rpm files

should be 'gwdatafind', and not the same name as the src.rpm

so that the srpm doesn't have the same name as one of the binary rpms

pin gwdatafind to the exact release of the python3-gwdatafind package

for command-line gwdatafind package

we use the 'or later' variant of GPLv3

use python-srpm-macros for dependency definitions

need to _install_ python2 last to ensure that /usr/bin/gw_data_find comes from that

requires a re-release of glue, so we conflict against all previous versions

- provide python34 packages for epel7
- run tests during package builds (py3 only for el7)
- bumped version numbers for new release

we need to coordinate that this get removed from glue first