Updated readme with OS clarifications. Removed OS versions of the widgets leaving just the integrated versions.
Corrected repo url.
OS licence clarification.
[304] Blackbar renders correctly on map preview.
[304] No need to declare a content_class any longer.
[noticket] Another http error was seen that could be handled better.
Merge branch 'master' of github.com:datagovuk/ckanext-os
[429] A new failure for the proxy handled better.
Merge branch 'master' into stable