Just for the record, the solution mentioned in https://bugzilla.mozilla.org/show_bug.cgi?id=416973 works like a charm.
- Bug#477926: iceweasel -remote 'OpenURL(http://www.... alex
- Bug#477926: iceweasel -remote 'OpenURL(http:/... Alexandre Pereira Nunes
- Bug#477926: iceweasel -remote 'OpenURL(ht... Mike Hommey
- Bug#477926: iceweasel -remote 'OpenUR... Alexandre Pereira Nunes
- Bug#477926: Info received (Bug#47... Alexandre Pereira Nunes

