CORD-667 Install httpie from pip for more recent version

Change-Id: I3ba7fad9709b1751ccf4463c74e16a404df147ac
diff --git a/common/Makefile b/common/Makefile
index c7de42c..9dba3b3 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -6,15 +6,15 @@
 
 # prerequisite software
 .PHONY: prereqs
-prereqs: /usr/bin/http /usr/bin/docker /usr/bin/curl /usr/local/bin/docker-compose
+prereqs: /usr/local/bin/http /usr/bin/docker /usr/bin/curl /usr/local/bin/docker-compose
 
 apt-prereqs:
 	sudo apt-get update
 	sudo apt-get -y install apt-transport-https ca-certificates python-pip
 	touch $@
 
-/usr/bin/http: | apt-prereqs
-	sudo apt-get -y install httpie
+/usr/local/bin/http: | apt-prereqs
+	sudo pip install httpie
 
 /usr/bin/curl: | apt-prereqs
 	sudo apt-get -y install curl