Added displays section to SceneInspector.
Added displays section to SceneInspector.

Fixes #921.

chippey/gaffer,cedriclaunay/gaffer,ImageEngine/gaffer,johnhaddon/gaffer,andrewkaufman/gaffer,johnhaddon/gaffer,GafferHQ/gaffer,boberfly/gaffer,appleseedhq/gaffer,andrewkaufman/gaffer,johnhaddon/gaffer,lucienfostier/gaffer,hradec/gaffer,GafferHQ/gaffer,boberfly/gaffer,lucienfostier/gaffer,hradec/gaffer,ivanimanishi/gaffer,chippey/gaffer,appleseedhq/gaffer,goddardl/gaffer,johnhaddon/gaffer,chippey/gaffer,goddardl/gaffer,boberfly/gaffer,ImageEngine/gaffer,ImageEngine/gaffer,GafferHQ/gaffer,cedriclaunay/gaffer,boberfly/gaffer,cedriclaunay/gaffer,cedriclaunay/gaffer,andrewkaufman/gaffer,lucienfostier/gaffer,goddardl/gaffer,johnhaddon/gaffer,hradec/gaffer,andrewkaufman/gaffer,goddardl/gaffer,ivanimanishi/gaffer,ImageEngine/gaffer,andrewkaufman/gaffer,ivanimanishi/gaffer,ivanimanishi/gaffer,GafferHQ/gaffer,GafferHQ/gaffer,appleseedhq/gaffer,chippey/gaffer,hradec/gaffer,appleseedhq/gaffer,hradec/gaffer,lucienfostier/gaffer