David  Jan 2 2009
    - added a script to make profile.has_picture consistent
        with the images actually on disk

    html/ops/
       repair_profile_pictures.php 

David  Jan 2 2009
    - client: more work-fetch stuff.
        No more per-project shortfall.
        It's getting pretty close.

    client/
        client_state.cpp
        client_types.cpp,h
        cs_scheduler.cpp
        rr_sim.cpp
        scheduler_op.cpp
        work_fetch.cpp,h
    lib/
        coproc.cpp,h