Added username fields to sign up and edit user forms
Added description to challenges
Switched emails to username and prepped for a send back button
Fixed the random chooser error
Fixed the user challenges thing
Small fixes and tidying
Merge branch 'master' of https://github.com/jubjubbird01/hide-and-street

# By Andrew Deniszczyc
# Via Andrew Deniszczyc
* 'master' of https://github.com/jubjubbird01/hide-and-street:
  Removed the yo. Literally.
  Fixed minor lat lng checking bug
  - Completed Wiki API integration - Slightly improved logo - Implemented points system
  Fixed Wiki panel bug and readied panoid into HTML
Silly syntax error because it's early :P