added paypal integration

but had to remove stripe integration
add django-extensions and pin South and Whoosh versions
adding django-debug-toolbar in case we need it for debugging
don't need this since we're serving up media from S3
comment out stuff we're not using
disabling debug toolbar to see if that eliminates the error
importing via zip file doesn't seem to be working, so check-in the .jpgs
enable whoosh for searching
added to avoid OperationalError: database is locked
set the from address