Localization internationalization workflow

[edaniszewski]

Low priority PR - will not merge until next week for stability.

This PR adds a workflow for updating the translation files using Babel.

To do this, I also needed to do a little metadata reorg and flush out setup.py a bit more. With these changes, this should now actually be packaged up like a real python package, but I haven't tested that out yet, since thats outside the scope of this work.

To update the translations po and pot file, make translations

the bulk of this PR is auto-generated info

[codecov-io]

Codecov Report

Merging #131 into master will increase coverage by 0.17%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #131      +/-   ##
==========================================
+ Coverage   88.42%   88.59%   +0.17%     
==========================================
  Files          40       40              
  Lines        1097     1096       -1     
==========================================
+ Hits          970      971       +1     
+ Misses        127      125       -2

Impacted Files	Coverage Δ
synse/__init__.py	100% <100%> (+12.5%)	⬆️
synse/i18n.py	96.55% <100%> (+3.44%)	⬆️

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