changes to some test data and tests
added back in refdatamanager get_repository_id function
a couple new model methods
Merge pull request #25 from mozilla/allow-objectstore-update

refactor objectstore to allow updates
merging from master
first attempt to create a job ingestion endpoint
new job_data
add job ingestion endpoint
add djangorestframework to pure requirements
add docstring to test_objectstore_ingestion
add simplejson to compiled requirements
remove unused import
refactor shared code into test_utils file
add license file