remove svc_send.c file

Directories are handled by sanitize_write

Whatever the direction handles the module/bundle contents part. If not the
general graph cannot be build

Module and bundle should only know about services inside its.
Spawn a new process with its own graph when dealing with module/bundle services.

rename up/down subcommand to start/stop.

Do not write the resolve file itself.
move contents and ncontents from regex to dependencies addon struct