Open the current href instead of the href the markup had when the page was

Open the current href instead of the href the markup had when the page was
loaded (Closes #1482)

Javascript is so much fun... and so much pain at once. Functional
programming is of these things that let you believe you are smarter than
you really are because solving such a simple bug requires so much
understanding of what really happen.

Signed-off-by: Florent Bruneau <florent.bruneau@polytechnique.org>