metomi/rose#1028: fix launcher bug for unknown configuration
Merge pull request #1029 from benfitzpatrick/1028.rose-edit-fix-file-browser-unknown

#1028: fix file browser launch bug for unknown configuration
rose bush: do not apply prettify to normal files
rose bush: fix prettify call
Merge pull request #1031 from benfitzpatrick/rose-bush.no-prettify-default

rose bush: do not apply prettify to normal files