Re #7987. Removing assign for parameter that went away.
Re #7987. Update reference results. These could be wrong.
refs #8614 Attempt to remove part of generic code out of LET test
refs #8614 new system test for recent LET
refs #8614 Minimal set of changes to LET system test

Here are the changes to system test caused by GIT refusing to accept large raw file. I use existing raw wb file (though the data would be physically incorrect) and need to modify the reference results. As the results are physically incorrect, I am trying to make minor data set relating to the existing one and still testing the reduction
refs #8614 Changes to stresstesting allowing checkin mutlirep

and ISISDirectInelastic working with old raw/map/mask files
refs #8614 data files for event multirep mode
refs #8614 modified reference result files

using old mask map and det.dat file
refs #8614 Trying to fix system test by rounding integration limits

Suspected that different results on different platforms come from different round-off procedure and different integration limits as the result.
refs #8614 fixing case of single ws provided.
refs #8614 Trying to fix system tests on Unix.

It is certainly binning issue but needs further thinking on how to deal with it on different machines.
refs #8614 it looks like it is wrong comma.
refs #8614 Spelling corrections in stresstesting
refs #8614  typing error
Refs #9021. New system test reference file.
refs #8614 Should fix discrepancies in running ISISDirectInelastic

on dirrefent OS-es (though sample may need to be changed too)
refs #8614 Changed sample LETmultirep reduction results

to be compatible with det.dat file written in nxs format.
refs #8614 fixing LoadLotsOfFiles system test
Refs #5300 Add reference results for Moments.
refs #8614 missing comma in LoadLotsOfFiles