Specifying virtual-host as vector fails

[tobias]

jaen: I've just noticed that when you specify :virtual-host in boot-immutant you are expected to
specify it like so ["some-host"]. This results in ["some-host"] in the jboss-
web.xml file. I don't think that should be the expected output?

https://clojurians.slack.com/archives/immutant/p1450603606000210