docs/developer_guide: more files to copy
docs/developer_guide: more files to copy

Recommend that developer setting up also copy "acls.yaml" and "ryu.conf"
since the development shipped "faucet.conf" includes "acls.yaml"

shivarammysore/faucet,faucetsdn/faucet,faucetsdn/faucet,mwutzke/faucet,REANNZ/faucet,anarkiwi/faucet,mwutzke/faucet,trungdtbk/faucet,anarkiwi/faucet,trungdtbk/faucet,gizmoguy/faucet,shivarammysore/faucet,REANNZ/faucet,gizmoguy/faucet