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/submit-rageshake.js

@@ -100,7 +100,7 @@ export default async function sendBugReport(bugReportEndpoint, opts) {
 }
 
 function _submitReport(endpoint, body, progressCallback) {
-    const deferred = q.defer();
+    const deferred = Promise.defer();
 
     const req = new XMLHttpRequest();
     req.open("POST", endpoint);