modified:   ac_rm_algo.c
        Moved writing of signal data to db from the block that's
        executed only if there's a barrier signal, to after that
        block; thus it's always written
        Added some writes
modified:   ac_rm_table.c
        Added some writes of all current realtime_data
modified:   control_compute.c
modified:   interface.c
modified:   interface.h
modified:   meter_lib.c
modified:   meter_lib.h
modified:   read_data.c
modified:   temp_global.h
modified:   variables2.h
        Rewrote more of Dongyan's data-getting functions to use the
        database instead of global variables