chore(update): put the deps into their own file

third_party/deps

@@ -0,0 +1,9 @@
+packages="
+	github.com/coreos/go-raft
+	github.com/coreos/go-etcd
+	github.com/ccding/go-logging
+	github.com/ccding/go-config-reader
+	bitbucket.org/kardianos/osext
+	code.google.com/p/go.net
+	code.google.com/p/goprotobuf
+"

third_party/update

@@ -1,14 +1,6 @@
 #!/bin/sh
 
-packages="
-	github.com/coreos/go-raft
-	github.com/coreos/go-etcd
-	github.com/ccding/go-logging
-	github.com/ccding/go-config-reader
-	bitbucket.org/kardianos/osext
-	code.google.com/p/go.net
-	code.google.com/p/goprotobuf
-"
+. ./deps
 
 export GOPATH=${PWD}