Support for using the same captcha in multiple forms of the same page

[fmbiete]

I'm using simple-captcha to confirm multiple actions in the same page. Each action must be confirmed inside a bootstrap modal, so I ended with multiple forms.

I got the idea for the solution from here: http://stackoverflow.com/questions/3683920/problems-with-simple-captcha

[zealot128]

Sorry for the long delay and thanks for contributing. I merged it onto master. I will release a new Gem version later.

[zealot128]

Ehm, I just merged a new feature, refresh image tag #3 onto master. Regenerating the view partial includes now a refresh button. I tried to generalize the Javascript for changing the image and hidden value, but I think it will not work together with the multiple option. If you have some time, can you pull the lasted version and try it with your app?

[fmbiete]

Well I'm using your master now, and I'm not seeing any refresh button...