OSL CodeMenu : Add utility method to build menu of common OSL functions.
OSL CodeMenu : Add utility method to build menu of common OSL functions.

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