Graph command option to ignore suicide triggers.
Ignore suicide check button for gcylc graph popup.
Ignore suicide option for gcylc graph view.
Updated the change log.
More subtle view tab colours.
Ensure remote task behaviour is determined by suite host site/user config.

Pass messaging config (retry and timeouts) via the task environment,
rather than loading from site/user config on the remote task host.
Merge pull request #465 from hjoliver/464.ignore-suicide-triggers-in-graph

Graph command option to ignore suicide triggers.
Merge pull request #466 from hjoliver/site-user-config-for-task-hosts

Ensure remote task behaviour determined by suite host site/user config