Added crispy-forms-foundation in requirements.txt
Added crispy-forms-foundation in requirements.txt

Since the crispy-forms-foundation is going to be marked as Python
3-compatible in the next few hours/days, we can put it back here.

progdupeupl/pdp_website,progdupeupl/pdp_website,progdupeupl/pdp_website,progdupeupl/pdp_website,progdupeupl/pdp_website