Fixed initial selection status in PathChooserWidget.
Fixed initial selection status in PathChooserWidget.

If the initial path was valid, it wasn't being selected appropriately in the path listing. Also fixed a bug where changing a path from relative to absolute via the path entry field wouldn't be reflected properly in the listing and directory path fields.

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