[openstreetmap-website] Let history viewer respect middle-click and Ctrl+click (#1020)

[Tom Hughes]

See 528d4a040e593f6ce2171167c436dbdf27511711 and 77b4ff6ceb81a326b7ed3c80cf5d65ec2a2b18d5 for previous work on this.

---
Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/openstreetmap-website/issues/1020#issuecomment-125717699
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/rails-dev/attachments/20150728/7f0272f4/attachment.html>