Merge remote-tracking branch 'origin/bugfix/10662_collapsed_instrument_view'
Merge remote branch 'origin/bugfix/6959_powdergui_splitter_issue'
Merge remote-tracking branch 'origin/feature/10697_Disable_first_time_Usage_from_cmd_line'
Calculate bin centre (not half bin width)

Refs #10716
Merge branch 'bugfix/10716_calculate_correct_bin_width_in_GetThetaQ' into develop