Download rebar from github

Makefile

@@ -3,10 +3,8 @@ REBAR=$(shell which rebar || echo ./rebar)
 all: compile
 
 ./rebar:
-	erl -noshell -s inets start \
-	  -eval 'httpc:request(get, {\
-	  	"http://hg.basho.com/rebar/downloads/rebar", []\
-		}, [], [{stream, "./rebar"}])' \
+	erl -noshell -s inets start -s ssl start \
+	  -eval 'httpc:request(get, {"https://github.com/downloads/basho/rebar/rebar", []}, [], [{stream, "./rebar"}])' \
 	  -s init stop
 	chmod +x ./rebar