cylc testing: add restart tests
cylc testing: alter debug
initial test
cylc test-battery: changes following review
cylc.batch_submit: print command's stderr/stdout
Added submission logging with test.
Merge pull request #716 from benfitzpatrick/cylc-restart-testing

cylc test-battery: restart
cylc gui: dialog for log file read failure
Merge pull request #719 from benfitzpatrick/cylc.task-log

cylc gui: dialog for log file read failure
Merge pull request #718 from arjclark/submit-out-err-print

cylc logs: record submit out err