Adding network API call for role to ip allocation mapping. CES-1424 [1/2]

Adding network API call and CLI for role to ip allocation mapping. 

CES-1424 - enable smoketest for NTP and DNS barclamps 


 bin/crowbar |    6 ++++++
 1 file changed, 6 insertions(+)

Crowbar-Pull-ID: d1bebf4e091834477c2252170b9f7f9b81be6d14

Crowbar-Release: development