fixing import within test
moved koboform tests into a directory
switching model structure (requires migration)
Shifting towards the API and adding asset_type to "survey_draft" table (pending rename). [MIGRATION REQUIRED]
minor cleanup
adding slug field to koboform-surveydrafts
removing slug (waste of time)
fixes broken tests until we can confm if/how this will be done in the api
/api/survey_drafts now filters out items with asset_type defined
testing survey_drafts api endpoints, and one test of library_assets endpoints
merging conflicts
Merge pull request #170 from kobotoolbox/api

moved API into it's own file, broke out tests into multiple files