Fix to overcome self signed SSL certificate error when issuing git pu…

…ll command

git pull is used to download project dependencies which reside on
github.  As we use self signed certificates, there is a error.  To over
come this, ssl CA certificate verification is turned off.

Makefile

@@ -3,6 +3,7 @@
 all: compile
 
 compile: rebar
+	git config --global http.sslVerify false
 	./rebar get-deps compile
 
 rel: compile