Procfile: update to new address flags

Procfile

@@ -1,5 +1,5 @@
 # Use goreman to run `go get github.com/mattn/goreman`
-etcd1: ./etcd -id 0x1 -l :8080 -peers '0x1=localhost:8080&0x2=localhost:8081&0x3=localhost:8082'
-etcd2: ./etcd -id 0x2 -l :8081 -peers '0x1=localhost:8080&0x2=localhost:8081&0x3=localhost:8082'
-etcd3: ./etcd -id 0x3 -l :8082 -peers '0x1=localhost:8080&0x2=localhost:8081&0x3=localhost:8082'
-proxy: ./etcd -proxy-mode -l :4001 -peers '0x1=localhost:8080&0x2=localhost:8081&0x3=localhost:8082'
+etcd1: ./etcd -id 0x1 -l 127.0.0.1:4001 -r :7001 -peers '0x1=localhost:7001&0x2=localhost:7002&0x3=localhost:7003'
+etcd2: ./etcd -id 0x2 -l 127.0.0.1:4002 -r :7002 -peers '0x1=localhost:7001&0x2=localhost:7002&0x3=localhost:7003'
+etcd3: ./etcd -id 0x3 -l 127.0.0.1:4003 -r :7003 -peers '0x1=localhost:7001&0x2=localhost:7002&0x3=localhost:7003'
+proxy: ./etcd -proxy-mode -l 127.0.0.1:8080 -peers '0x1=localhost:7001&0x2=localhost:7002&0x3=localhost:7003'