prepare 1:58.1-2 release
prepare 1:58.1-2 release

nightlyone/golang,nightlyone/golang,nightlyone/golang,tianon/debian-golang,tianon/debian-golang,bdwalton/debian-golang,tianon/debian-golang,tianon/debian-golang,tianon/debian-golang,bdwalton/debian-golang,tianon/debian-golang,bdwalton/debian-golang,nightlyone/golang,bdwalton/debian-golang,bdwalton/debian-golang,bdwalton/debian-golang,tianon/debian-golang,tianon/debian-golang,bdwalton/debian-golang,bdwalton/debian-golang,nightlyone/golang,nightlyone/golang,nightlyone/golang