Merge remote branch 'origin/feature/6922_mcstas'
Merge remote-tracking branch 'origin/feature/4876_verbose_option'
Do plotBin for ws lists if they only have a single element.

It should only raise an error if more than a single source is provided.
Refs #6955
Fix diagnostics with calibration file on indirect c2e.

Refs #6955
Merge branch 'bugfix/6955_indirect_c2e_diag' into develop