Model and some api stuff`
Add language choices
Make orderitems smarter
add some Ember
Nice form and overview of selected vouchers
Add multiple vouchers & validation.
some style
Radio button style
Add more style and total amount
Add email to current user api
Merge branch 'master' into vouchers-model-and-api

Conflicts:
	apps/fund/models.py
Small fixes for 0 vouchers
Changes after review w/Ben
Merge pull request #201 from onepercentclub/vouchers-model-and-api

Vouchers model and api