Dfoxpowell/modal oform signin signup

- Implement oform on signup/signin modals
- move oform globals to global js because it was not getting included before it was called in modal component JS --- Need Browserify!!!
- log response from signup to segment
- styling for error classes in helpers and modal scss
you don't need the `data-validation` attribute anymore. you can remove this and it will work just fine. the validation occurs now based on the `name` attribute. since your `name` attribute and `data-validation` value are the same it will work just fine.