Don't strip ANSI color codes when output is not a TTY
Don't strip ANSI color codes when output is not a TTY

Signed-off-by: Joffrey F <2e95f49799afcec0080c0aeb8813776d949e0768@docker.com>

jrabbit/compose,michael-k/docker-compose,schmunk42/compose,dnephin/compose,funkyfuture/docker-compose,GM-Alex/compose,dnephin/compose,shin-/compose,GM-Alex/compose,swoopla/compose,vdemeester/compose,thaJeztah/compose,shin-/compose,funkyfuture/docker-compose,thaJeztah/compose,sdurrheimer/compose,schmunk42/compose,sdurrheimer/compose,hoogenm/compose,jrabbit/compose,hoogenm/compose,michael-k/docker-compose,vdemeester/compose,swoopla/compose