Start working on MDNormDirectSC. Refs #10698
Get rid of calculateIntegrals. Refs #10698
Expose bin boundaries in Run. Refs #10698

Needed to check the original limits for energy transfer, in case they
fall between the minimum and maximum of the MD workspace
Minor change in dealing with other axes in MDNormSCD. Refs #10698
Finish dealing with inputs. Refs #10698
Finish DGS normalization for SC. Refs #10698
Minor caching issues. Refs #10698
Documentation and test. Refs #10698
Merge branch 'feature/10698_DGS_normalization' into develop