DW: Added a check for the submission key
DW: Removed the openrosa response stuff and code clean up
DW: Added mimetypes in attachements param
DW: Added more attachment info
DW: Resolved the failling test
DW: Added a management command to create default project and assign the projectless form to it
DW: Code cleanup
DW: Code cleanup and test
DW: Finished the failing tests
Merge pull request #630 from onaio/627_Checks_submission_key_exists_for_json_submissions

DW: Added a check for the submission key
Merge pull request #635 from onaio/632_Create_user_project

DW: Added a management command to create default project
Merge pull request #634 from onaio/559_Making_media_api_more_consumer_friendly

559 making media api more consumer friendly
DW: Prepares onadata for the python json xls lib which will be added
DW: Added the python-json2xls lib and the test cases
DW: Replaces the / with _ on the field names
DW: Corrected the failing test
Dw: Added external_export in metadata and stores the external server url
DW: Query the data from postgres and not from mongodb
Dw: Code cleanup
DW: Can use either token or the token stored in the metadata