rose suite-log-view: task job log rename.

See metomi/rose#407 and cylc/cylc#264.
rose.suite_log_view: correct task log delimiter.

Task ID delimiter may differ from the delimiter in task job log.
Merge branch 'master' into 407.log-job-file-name
Merge branch 'master' into 407.log-job-file-name
Merge branch 'master' into 407.log-job-file-name
Merge branch 'master' into 407.log-job-file-name

Conflicts:
	lib/python/rose/suite_engine_procs/cylc.py
Merge branch 'master' into 407.log-job-file-name
Merge branch 'master' into 407.log-job-file-name
Merge branch 'master' into 407.log-job-file-name
Merge branch 'master' into 407.log-job-file-name
Merge pull request #418 from matthewrmshin/407.log-job-file-name

Suite engine log job file name, fixes #407