Release notes at AMO, for about:addons

[grahamperrin]

Hi

https://addons.mozilla.org/en-GB/firefox/addon/about-sync/versions/0.0.51/updateinfo/ and https://addons.mozilla.org/en-GB/firefox/addon/about-sync/versions/0.0.52/updateinfo/ are empty, can you publish release notes?

For notes to be available at about:addons for people who choose to read notes before updating i.e.:

Thanks