Merge remote branch 'origin/feature/7539_clear_ub'
Merge remote branch 'origin/feature/3464_fix_cancel_button_when_plotting'
Merge remote-tracking branch 'origin/feature/7560_plot_update_on_ws_change'
Refs #7685 check preserveEvents before compressing
Merge branch 'feature/7685_MPIReductionSumSamples' into develop