rose install - improve example site config
rose installation: update following feedback
rose edit: fix new file checkbox state
Merge pull request #568 from benfitzpatrick/rose-edit-fix-file-sections-page

rose edit: fix new file checkbox state
Merge pull request #566 from benfitzpatrick/rose-install-improve-example-conf

rose installation - improve example site config
Merge branch 'master' into gh-pages