replace q method calls with bluebird ones

```
find src test -name '*.js' |
    xargs perl -i -pe 's/q\.(all|defer|reject|delay|try|isFulfilled)\(/Promise.$1(/'
```

src/vector/index.js

@@ -188,7 +188,7 @@ var makeRegistrationUrl = function(params) {
 window.addEventListener('hashchange', onHashChange);
 
 function getConfig() {
-    let deferred = q.defer();
+    let deferred = Promise.defer();
 
     request(
         { method: "GET", url: "config.json" },