clean up username entered at login
clean up username entered at login

darcs-hash:20080829225258-84dde-6fee5f0beea62f023c13436b8d7044241bc0d01a.gz

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