update reference data schema. add initial reference data
change option_collection_id to option_collection_hash
update branch with latest changes from master
move default db values from sql methods to db schema
fix option_colletion_hash length in initial migration
rename refdata.py to test_refdata.py so it can be collected by py.test
set all the model ids AutoField
set ids AutoField in initial migration
remove debug output
Merge pull request #16 from mozilla/update-reference-data-schema

Update reference data schema and add initial reference data