rose_arch: new built-in application

A generic solution to configure site-specific archiving of suite files.
Merge pull request #883 from matthewrmshin/rose_arch

rose_arch: new built-in application
Update CHANGES.md
Rose version update
rose.config_processors.file: allow globs in source
Merge pull request #888 from matthewrmshin/rose.config_processors.file.source.glob

rose.config_processors.file: allow globs in source
rose config: improve syntax error message
metomi/rose#885: document
Merge pull request #890 from benfitzpatrick/885.doc

#885: document
Merge pull request #889 from matthewrmshin/improve-rose-config-syntax-error

rose config: improve syntax error message