Make "/my" work for all possible links to current user

[thoka (Thomas Kalka)]

@awesomerobot

my/messages/group/my-group

Does not work at our site.

I would expect that I can take any actual link from the browser and replace /u/thoka with /my to make it work for anyone.

Current link shown to me is:

So I expect /my/messages/group/Elternkreis to work for anyone.