Changes : updates up to the date of the 0.53.6.3 release
Changes : updates up to the date of the 0.53.6.3 release

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