Merge remote branch 'origin/feature/7370_Add_tooltips_to_MantidEV_controls'
Merge remote branch 'origin/feature/6132_Usability_Improvements_to_ImageView'
Merge remote-tracking branch 'origin/feature/7371_cell_to_boolean'
refs #7373. Better OSX layout.
Merge branch 'feature/7373_peaks_layout_widget' into develop