make shownotice a stream of one notice
make shownotice a stream of one notice

For display sake, make showing a single notice like showing a
stream with one notice in it.

darcs-hash:20080610221910-84dde-a3b2252625ac5392ff60f1e975350ed5d2d1145f.gz

csarven/statusnet,zh/statusnet,d3vgru/StatusNet,minmb/statusnet,znarf/statusnet-ladistribution,csarven/statusnet,sikevux/bsk-social,minmb/statusnet,faulteh/gnu-social,foocorp/gnu-social,charnimda/lgbtpzn-social,meitar/laconica,csarven/statusnet,charlycoste/StatusNet,UngPirat/freesocial,shashi/StatusNet,bankonme/gnu-social,eXcomm/gnu-social,faulteh/gnu-social,minmb/statusnet,xebia/statusnet-oauth2,Piratas/tortuga,zcopley/zcopleys-statusnet-clone,furtherfield/gnu-social,Piratas/tortuga,znarf/statusnet-ladistribution,meitar/laconica,xebia/statusnet-oauth2,zh/statusnet,sikevux/bsk-social,studio666/gnu-social,zh/statusnet,gnusocial/mainline,bankonme/gnu-social,sikevux/bsk-social,sikevux/bsk-social,d3vgru/StatusNet,bankonme/gnu-social,zcopley/StatusNet,shashi/StatusNet,brion/StatusNet,gnusocial/mainline,Br3nda/laconica,charlycoste/StatusNet,bankonme/gnu-social,UngPirat/freesocial,charlycoste/StatusNet,faulteh/gnu-social,xebia/statusnet-oauth2,brion/StatusNet,Br3nda/laconica,znarf/statusnet-ladistribution,eXcomm/gnu-social,chimo/social,UngPirat/freesocial,charnimda/lgbtpzn-social,zcopley/StatusNet,chimo/social,Piratas/tortuga,foocorp/gnu-social,studio666/gnu-social,Br3nda/laconica,chimo/social,foocorp/gnu-social,Piratas/tortuga,gnusocial/mainline,charnimda/lgbtpzn-social,meitar/laconica,furtherfield/gnu-social,studio666/gnu-social,csarven/statusnet,eXcomm/gnu-social,zcopley/zcopleys-statusnet-clone,zcopley/zcopleys-statusnet-clone,shashi/StatusNet,zcopley/StatusNet,faulteh/gnu-social,gnusocial/mainline,furtherfield/gnu-social,brion/StatusNet,furtherfield/gnu-social,d3vgru/StatusNet,eXcomm/gnu-social,studio666/gnu-social