metomi/rose#629: implement
metomi/rose#629: bug fixes/speed up
metomi/rose#629: improve speed for rosie ls --prefix
metomi/rose#629: background svn status for rosie go home screen
metomi/rose#629: move back call
Merge pull request #647 from benfitzpatrick/629.rosie-ls-query

#629 - rosie ls query. Closes #629