Bug 1000040 - Part 0b: Support dhcp service for eth0, eth1. r=vicamo

cherry-picked from edd314bafed1f19c1a3adf3e93340f24be68ca4e
Bug 1003711 - Part 3: Setup config and media file for DarwinStreamingServer; Add dss and dss-setup for init.rc. r=vicamo

cherry-picked from 8d764fda7b4459a896b5cc44fb2556609874ff3b