Implement set_display_name for sftp
Implement set_display_name for sftp

svn path=/trunk/; revision=951

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