www_root: increase timeout for shell script loading because travis
www_root: increase timeout for shell script loading because travis

travis CI runs on a slow and tiny EC2 instance ...

corestoreio/caddy-esi,corestoreio/caddy-esi,SchumacherFM/caddyesi,SchumacherFM/caddyesi,corestoreio/caddy-esi,SchumacherFM/caddyesi