add changelog to README
add changelog to README

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