Replace distutils.version

[headtr1ck]

This PR replaces distutils.version by packaging.version to silence the DeprecationWarning in the xarray plugin.

Closes #312

Also, I have added the new description and url attributes (someone might want to check these).

[FussyDuck]

All committers have signed the CLA.

[iainrussell]

Many thanks @headtr1ck! I've allowed the tests to run, and as you can see there are some errors, which maybe you didn't get on your system.

[headtr1ck]

Can you try again? I think I fixed all the problems.

[headtr1ck]

this time with isort...

[codecov-commenter]

Codecov Report

Base: 95.49% // Head: 95.49% // Increases project coverage by +0.00% 🎉

Coverage data is based on head (b8c0904) compared to base (8578f10).
Patch coverage: 80.00% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #318   +/-   ##
=======================================
  Coverage   95.49%   95.49%           
=======================================
  Files          26       26           
  Lines        2018     2020    +2     
  Branches      233      233           
=======================================
+ Hits         1927     1929    +2     
  Misses         61       61           
  Partials       30       30           

Impacted Files	Coverage Δ
cfgrib/xarray_plugin.py	88.40% <80.00%> (+0.34%)	⬆️

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[iainrussell]

Thanks @headtr1ck, this was a nice little pull request, and you even updated the changelog - top marks! :)