Pinax-theme-bootstrap

- Updated pinax-stripe templates

- fixed management command, `copy_from_theme` to work with Django 1.10
- cleaned up `pinax-documents` templates

- add "thread_confirm_delete.html" for pinax-messages
- add delete link to "thread_detail.html" for pinax-messages

- add templates for `pinax-messages`
- fix print statement in `copy_from_theme` management command so it works with Python 3