Support G_FILE_COPY_ALL_METADATA and use that in move by copy fallback
Support G_FILE_COPY_ALL_METADATA and use that in move by copy fallback

Original git commit by Alexander Larsson <alexl@redhat.com> at 1187949839 +0200

svn path=/trunk/; revision=789

philipl/gvfs,xkahn/gvfs-cmis,halfline/gvfs,cpatulea/gvfs,thiblahute/gvfs,cpatulea/gvfs,xkahn/gvfs-cmis,philipl/gvfs,philipl/gvfs,xkahn/gvfs-cmis,xkahn/gvfs-cmis,halfline/gvfs,gicmo/gvfs,gicmo/gvfs,gicmo/gvfs,gicmo/gvfs,halfline/gvfs,thiblahute/gvfs