CatalogueUI  : Improve status column icons
CatalogueUI  : Improve status column icons

Icons should now be better aligned to the pixel grid and have
increased distinction between running/complete.

boberfly/gaffer,andrewkaufman/gaffer,hradec/gaffer,johnhaddon/gaffer,ImageEngine/gaffer,GafferHQ/gaffer,andrewkaufman/gaffer,johnhaddon/gaffer,GafferHQ/gaffer,hradec/gaffer,johnhaddon/gaffer,lucienfostier/gaffer,ImageEngine/gaffer,GafferHQ/gaffer,johnhaddon/gaffer,lucienfostier/gaffer,GafferHQ/gaffer,ImageEngine/gaffer,GafferHQ/gaffer,hradec/gaffer,boberfly/gaffer,andrewkaufman/gaffer,lucienfostier/gaffer,boberfly/gaffer,lucienfostier/gaffer,boberfly/gaffer,hradec/gaffer,hradec/gaffer,andrewkaufman/gaffer,ImageEngine/gaffer,johnhaddon/gaffer,andrewkaufman/gaffer