Node menu : Add Catalogue menu item
Node menu : Add Catalogue menu item

Also move ImageReader/ImageWriter into File submenu.

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