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/components/structures/UserSettings.js

@@ -316,7 +316,7 @@ module.exports = React.createClass({
 
     _refreshFromServer: function() {
         const self = this;
-        q.all([
+        Promise.all([
             UserSettingsStore.loadProfileInfo(), UserSettingsStore.loadThreePids(),
         ]).done(function(resps) {
             self.setState({