TW-18: First draf of a register form using formative

* Adds a hack to replace a broken helper namespace
* Adds a route for registration
* Adds a shallow form
TW-18: Fixes a formatting issue
TW-18: Fixes formative helper

* Uses latests dommy API
TW-18: Fixes formatting

* bikeshed was complaining
TW-18: Fixes less

* Fixes formative bootstrap 3 error CSS
* Adds clearfix when needed
TW-18: Makes the register page to work

* Better password validation
* Adds support for POST requests
TW-18: Removes debugging leftovers
TW-18: Uses a POST request with payload to register
Merge branch 'feature/TW-18_Design_Register_page' into develop