fix test isolation recreating db tables at every test setup
add repository version methods to refdata
add update_repository_version shell command
add tests for repository version methods on refdata
add test for update_repo_version command with filters
fix get_repository_version_id query sort order
Merge branch 'master' into fix-test-isolation
merged master into update-repository-version
add initial_data fixture to a bunch of jobs-related tests
Merge pull request #18 from mozilla/fix-test-isolation

Fix test isolation
refactor pulse_consumer into etl
add buildapi adapter
add common methods to etl
common methods refactoring and pep cleaning
add fetch_pending_jobs task
Merge pull request #19 from mozilla/update-repository-version

Update repository version
refactor objectstore to allow updates
changes to some test data and tests
changes to some test data and tests
added back in refdatamanager get_repository_id function