MFstable/10 r275508,r275509:

r275508:

  MFC r274364:

    Add baud rate support to telnet(1)

    This implements part of RFC-2217

    It's based off a patch originally written by Sujal Patel at Isilon, and
    contributions from other Isilon employees.

    PR: 173728
    Phabric: D995
    Reviewed by: markj, markm
    Sponsored by: EMC / Isilon Storage Division

r275509:

  MFC r274365:

    Revert WiP to contrib/tzcode accidentally committed with r274364