Fix attachment saving
Fix attachment saving

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