Improve github to svn workflow for WP repo

[bdolor]

Description

It's manual. It's time consuming. Smart people have created things to make this work better.

Expected behaviour

Posting to WP repo after a github release should be an integrated and/or semi-automatic process.

Actual behaviour

It's manual and time consuming.

Steps to reproduce the problem

Tag a release in Github. Then fiddle through an SVN release process.