Plug : Deprecate ReadOnly flag.
Plug : Deprecate ReadOnly flag.

This is now superceded by the "readOnly" metadata value, and will be removed in a future release.

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