Fix to use actual LTS numbers

Additionally, can I request that tags: 

1.574, 1.576 be removed from the repo? they are incorrectly tagged (and are non LTS numbers) - my stupid mistake.
Add Joe to library/maintainers
Merge pull request #175 from michaelneale/master

Fix to use actual LTS numbers
Merge pull request #176 from infosiftr/add-maintainer

Add Joe to library/maintainers