Removing "full name" auto-popualtion during signup

closes #3392
- removing data-binding attribute for "name" input box on signup screen
- removing data-binding attribute for "password" input box on signup screen
- making "email" the first input box and "name" the 2nd
- removing "autofocus" attribute for "email" input box on signup screen
Merge pull request #3397 from morficus/issue-3392

Removing "full name" auto-popualtion during signup