Extract shared function

bin/circle-functions

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+install_wordepress() {
+    go get github.com/weaveworks/wordepress
+    cd /home/ubuntu/src/github.com/weaveworks/wordepress
+    git checkout $1
+    cd cmd/wordepress
+    go get
+}