Expand reload tests.
Fix wrong date.
Test changing cycle period.
Correct comment.
Fix reference test options across reloads.
Merge remote branch 'upstream/master' into expand.reload-tests

Conflicts:
	lib/cylc/scheduler.py
Added Family triggering testing.
Added FAM:X-any testing.
Fixed monthly cycling again.
Merge pull request #750 from arjclark/expand.reload-tests

Expand reload tests and fix reference tests post reload
Merge pull request #752 from arjclark/expand.triggering-tests

Expand triggering tests
Handle quick shutdown with polling better.
Merge pull request #753 from hjoliver/fix-monthy-cycling-again

Fixed monthly cycling - again!
Merge pull request #757 from hjoliver/749-polling-quick-stop

Handle quick shutdown with polling better.
Merge branch 'master' into 754.cycling-section-order-bug