added utf-8 locale to docker env
added utf-8 locale to docker env

HelsinkiHacklab/asylum,hacklab-fi/asylum,jautero/asylum,HelsinkiHacklab/asylum,hacklab-fi/asylum,rambo/asylum,jautero/asylum,rambo/asylum,ojousima/asylum,jautero/asylum,HelsinkiHacklab/asylum,HelsinkiHacklab/asylum,ojousima/asylum,hacklab-fi/asylum,rambo/asylum,ojousima/asylum,hacklab-fi/asylum,ojousima/asylum,jautero/asylum,rambo/asylum