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.
Update CHANGES.md
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.
Doc: add chapter on utilities for suite control

And remove irrelevant sections from the suite tools chapter.
Doc: add chapter on utilities for suite control

Corrections following review.
rose mpi-launch: fix script exit syntax

The on-error `return` statements under `--inner` do not work under
`bash` and may confuse users into thinking that there may be some other
problems. This change should allow errors to be reported with less
confusion.
rose_prune: diagnostics for remote logs prune
Happy 2014
Merge pull request #1077 from matthewrmshin/happy-2014

Happy 2014
Merge branch 'master' into doc-suite-control
Happy 2014
Merge branch 'master' into rose-bush-summary
Merge pull request #1075 from matthewrmshin/fix-rose-mpi-launch-return

rose mpi-launch: fix script exit syntax
Merge branch 'master' into doc-suite-control
Doc: add chapter on utilities for suite control

More corrections following review.
Merge pull request #1074 from matthewrmshin/doc-suite-control

Doc: add chapter on utilities for suite control
Merge pull request #1076 from matthewrmshin/diag-rose_prune-remote-log

rose_prune: diagnostics for remote logs prune
Merge branch 'master' into rose-bush-summary
Doc: improve discussion of rose task-run