Incorrect API path for refs.local (#545)

Currently a call to this API point will return an empty array.

Author: MichaelMure

src/api/refs.js

@@ -26,7 +26,7 @@ module.exports = (send) => {
     }
 
     const request = {
-      path: 'refs',
+      path: 'refs/local',
       qs: opts
     }