[Catalyst] HOWTO: extend the Authentication tutorial example and redirect to original URI

[Jeff Chimene]

Chisel Wright wrote:
>     if( not $c->is_logged_in($c) ) {
>   
I had to change to
> if( not $c->user_exists() ) {
it looks like is_logged_in() is a routine you wrote?

otherwise, it does what I need. Thanks!

cheers,
jec