update for new version of OMB protocol
update for new version of OMB protocol

After finding OAuth Discovery, I rewrote the OMB spec to support it
better. This version of the XRDS generator supports OAuth Discovery
more completely.

darcs-hash:20080526130328-84dde-1c31294e251f22d197be95fcf113d2e05b2d6219.gz

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