metomi/rose#928: rose edit: update sub-ns API
metomi/rose#928: tidy
metomi/rose#928: more tidy
Update CHANGES.md
metomi/rose#928: implement feedback
metomi/rose#884: standardise shell help
rose suite-run: check bad Cylc global config

In particular `[host][localhost]run directory` and
`[host][localhost]work directory`.
rose documentation: fix and tidy
rose documentation: fix and tweak
RUG: add simple example suite
rose documentation: tidy
rose documentation: tweak
Merge pull request #1041 from matthewrmshin/rose-rug-simple

RUG: add simple example suite
rose documentation: fix typo
rose documentation: implement feedback
rose documentation: implement feedback
Merge pull request #1042 from benfitzpatrick/doc.update

rose documentation: update/fix user guide
RUG: revert app used in metadata tutorial
Merge pull request #1043 from benfitzpatrick/doc-rug.revert-app-change

RUG: revert app used in metadata tutorial
rosie id --to-web: fix hard coded Trac assumption

Was hard coded to the browser method of Trac.