Remove spacing from investigation label. Refs #8467.
Convert grid to frames. Better layout management. Refs #8467.
Merge branch 'feature/8647_icat_minor_gui_issues' into develop. Refs #8467.

Conflicts:

- Code/Mantid/MantidQt/MantidWidgets/inc/MantidQtMantidWidgets/CatalogSearch.ui