Activating javascripted ViennaRNA

This is most likely a wrong way to hook it in, I'll defer to better
experienced people. But it allows to demonstrate the feasability.
Just paste the following example code in the scripting interface,
add a 'seq' input and fill it with a sequence, and evaluate.

http://ec2-54-242-172-93.compute-1.amazonaws.com/wiki/images/Vrna211-js.png