fa/fafcexps.m, fa/fa2iddata.m: store identification data on iddata objects
fa/fafcfindexps.m: add new function to find system identification experiments and store them as iddata objects in Matlab workspace files
modelid/idcorrps.m: now idcorrps expects an iddata object instead of a data arrays
modelid/idrespm.m: add new function to find beam response matrix from system identification experiments