The control path takes input error signals from the CM PDH and PHASE servos, IMON, FMON, SMON.  These go into an input matrix, through an ARM_LONG filter, and then out to ETM_LONG control output.  In h2iscey, the ETM_LONG output is routed to the RFM sender to ETMY via h2susetmy.

I also added input filter modules for the other PD inputs (PDH_DC, {IR,GR,BB_PWR_MON).

h2iscey was recompiled, installed, and restarted.  The daq was also restarted to register the new channels.

I also updated the OAF medm screen to add links to the new filter modules.