update requirements
add CardTemplate to models
remove initial data
fix error with field
setup initial templates
fix error when there are zero decks in the collection
added russian template
added chinese flashcard template
adding basic upload and download views
deck upload functionality and fixed failing tests
changed parse parameter
fix parse to skip header row
wrap function in transaction
added deck download as excel
refactoring
fix markup in upload template
fix nav to show collections on upload page
merged dev and resolved conflicts
Merge pull request #25 from Harvard-ATG/feature/instructor-import

Feature/instructor import