Code modified to read/write filter module data directly from/to EPICS shared memory area.

This removes the need to call code in epicsXfer.c to move this data to/from local memory space,
which had to be spread out across code cycles.
Initial testing shows no degradation in performance, actually some overall improvement in cycle
time stability. Regression testing of filter modules was performed on LHO DAQ test system.


git-svn-id: https://redoubt.ligo-wa.caltech.edu/svn/advLigoRTS/trunk@3427 6dcd42c9-f523-4c6d-aada-af552506706e