stork should not use colors in logs if it is running as a service without termnal
Currently people copy/paste logs with ANSI escape codes for colors. This should not happen.
Sep 21 14:46:22 bind_server stork-agent: #033[33mWARN#033[0m[2020-09-21 14:46:22] bind9.go:284 cannot parse BIND 9 statistics-channels clause
Sep 21 14:46:32 bind_server stork-agent: #033[33mWARN#033[0m[2020-09-21 14:46:32] bind9.go:91 cannot parse BIND 9 inet configuration: no match (controls {