Just updated both plugins from versions 1.1 to 1.2 and I'm still having the same problem. Using firebug I didn't notice any javascript errors so I'm not sure what the issue is.
You can try it out here:
Click (not trying to advertise)
*Note* Login module is at the bottom of the article.
I haven't made any modifications to community builder. The only mods I did were to the plugins themselves to get the long buttons in horizontal mode.
Please let me know if you notice anything.
Thank you