Update Ranch to 0.6.1

rebar.config

@@ -1,3 +1,3 @@
 {deps, [
-	{ranch, "0\\.6\\.0.*", {git, "git://github.com/extend/ranch.git", "0.6.0"}}
+	{ranch, ".*", {git, "git://github.com/extend/ranch.git", "0.6.1"}}
 ]}.