Merge remote-tracking branch 'origin/feature/7248_MantidEV_show_distance_between_last_points_picked'
Merge remote branch 'origin/feature/7285_SetSampleMaterial_imp'
Merge remote-tracking branch 'origin/bugfix/7258_pv_progress_warnings'
refs #7290. Fix IE7 issue.

Use float:right in css rather than the image property. Seems to work for all browsers.
Merge branch 'feature/7290_IE_issue' into develop