Refs #8585 Change ConvFit to work with height and output EISF.
Merge branch 'feature/8585_EISF_output_from_fitting' of github.com:mantidproject/mantid into feature/8585_EISF_output_from_fitting
Refs #8585 Adding support for EISF output from Quasi.
Refs #8585 Tidying up.
Refs #8585 Updated plotting options.

Quasi should now automatically detect which spectra contains
the data it needs to plot.
Merge branch 'feature/8585_EISF_output_from_fitting' into develop