Merge remote-tracking branch 'origin/feature/8089_seq_fit_lebail'
Merge remote-tracking branch 'remotes/origin/feature/8089_seq_fit_lebail'
Merge remote-tracking branch 'origin/feature/8593_compton_scattering_detector_groups'
Add a list of files that are to be loaded first by LoadLotsOfFiles.

Basically avoids a problem on lower-powered XP machine that it's not worth
changing the code to fix as the actual file does load in normal
circumstances.
Refs #8615
Merge branch 'bugfix/8615_loadlotsoffiles_order' into develop