Merge pull request #5 from r-gaia-cs/badgeissuer

Script to update badges
Merge branch 'updating-badging' of github.com:r-gaia-cs/site into updating-badging
Add core and helper

Add needed files for Core and Helper badges version 1.0.0.
Merge branch 'updating-badging' of github.com:r-gaia-cs/site into updating-badging
Changing wording of badges index page
Tidying up the text for the new badges, and the Makefile that rebuilds them
Merge pull request #1 from gvwilson/updating-badging

Updating badging