use exec and -ti options in run script

run.sh

 #!/bin/sh
 
-docker run --name="py3o.renderserver" --rm -p 8994:8994 --link oooserver:oooserver --volumes-from oooserver xcgd/py3oserver-docker
+exec docker run -ti --name="py3o.renderserver" --rm -p 8994:8994 --link oooserver:oooserver --volumes-from oooserver xcgd/py3oserver-docker