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.
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