svc_ident(): new function, returns service's unique identifier
svc_ident(): new function, returns service's unique identifier

A service is identifier using the (name,id) tuple on the form 'name:id'

Signed-off-by: Joachim Wiberg <583c295fd7602c168ad814279bbc3894ba65f5d6@gmail.com>

troglobit/finit,troglobit/finit