rose bush: cycles summary and other improvements

Display host, submit method and ID for running jobs in jobs list.
Simplify suites list page for efficient display.
More icons.
Merge branch 'master' into rose-bush-summary
rose bush: improve style

Index: combine cycles and jobs listing form.
Suites: icon labels for cycles and jobs listings.
Merge branch 'master' into rose-bush-summary
Merge branch 'master' into rose-bush-summary
Doc: improve discussion of rose task-run
Doc: improve discussion of rose task-run

Corrections following review.
Doc: improve discussion of rose task-run

Corrections following review.
Merge pull request #1078 from matthewrmshin/doc-task-run

Doc: improve discussion of rose task-run
Merge pull request #1072 from matthewrmshin/rose-bush-summary

rose bush: cycles summary and other improvements