Fix error in example. (#326)
Fix error in example. (#326)

`window.location.hash` was typoed to `window.localtion`.
aaronchilcott/auth0.js,aaronchilcott/auth0.js,auth0/auth0.js,saphocom/auth0.js,saphocom/auth0.js,saphocom/auth0.js,aaronchilcott/auth0.js,auth0/auth0.js,auth0/auth0.js