script: Fix quoting in run-integration-tests

Signed-off-by: Lewis Marshall <lewis@lmars.net>
slugrunner: Fix conditionals in runner/init

Signed-off-by: Lewis Marshall <lewis@lmars.net>
Merge pull request #399 from flynn/script-fixes

Script fixes
controller: Start scheduler jobs with app_name metadata

Signed-off-by: Lewis Marshall <lewis@lmars.net>
controller: Stop the newest jobs when scaling down

Signed-off-by: Lewis Marshall <lewis@lmars.net>
test: Exit on failure in TestBasic

Signed-off-by: Lewis Marshall <lewis@lmars.net>
controller: Track the state of one-off jobs

Signed-off-by: Lewis Marshall <lewis@lmars.net>