PLD: add JSON requirement
PLD: unit test for tools
PLD: KCAT-74 add JSON field to instance model
PLD: KCAT-74 add test for json
PLD: fix API markdown
PLD: organize tests as unit tests
PLD: add migration to fill JSON content
PLD: fuller test for group result
PLD: KCAT-74 use postgres default and in tests
PLD: KCAT-74 pull group results using postgre json
PLD: fixing postgres travis settings
PLD: fix import paths
PLD: path to fixture update
PLD: KCAT-74 refactor postgres JSON query
PLD: KCAT-74 set submission_time in json
PLD: use postgres 9.3
PLD: fix order of fields
PLD: line length
PLD: rollback bad transaction
PLD: KCAT-74 use transaction test case to to ensure rollback takes effect