Fixed #11919 -- Added a DPASTE_URL setting to customize the dpaste featu...

...re.

https://code.djangoproject.com/ticket/11919
>Subclass it in your project and set DEBUG_PASTEBIN_POST_URL to 'http://custompastebin.org/post' and DEBUG_PASTEBIN_FORM to 'myproject.forms.MyCustomForm'

You can also set `DEBUG_PASTEBIN_POST_URL` as variable inside form so there will be one setting instead of two.