Newline in graph node labels for new task ID delimiter.
Updated change log for delimiter change.
Updated some old task ID delimiters (in documentation).
Removed a junk file.
Use submit number instead of sse in User Guide.
Merge branch 'master' into task-id-delimiter-follow-up

Conflicts:
	doc/changes.html
Merge pull request #314 from hjoliver/task-id-delimiter-follow-up

Task id delimiter follow up