q(...) -> Promise.resolve

```
find src test -name '*.js' | xargs perl -i -pe 's/\b[qQ]\(/Promise.resolve(/'
```

test/components/structures/ScrollPanel-test.js

@@ -58,7 +58,7 @@ var Tester = React.createClass({
         if (handler) {
             res = handler();
         } else {
-            res = q(false);
+            res = Promise.resolve(false);
         }
 
         if (defer) {
@@ -168,7 +168,7 @@ describe('ScrollPanel', function() {
         const sp = tester.scrollPanel();
         let retriesRemaining = 1;
         const awaitReady = function() {
-            return q().then(() => {
+            return Promise.resolve().then(() => {
                 if (sp._pendingFillRequests.b === false &&
                     sp._pendingFillRequests.f === false
                    ) {
@@ -195,7 +195,7 @@ describe('ScrollPanel', function() {
     it('should handle scrollEvent strangeness', function() {
         const events = [];
 
-        return q().then(() => {
+        return Promise.resolve().then(() => {
             // initialise with a load of events
             for (let i = 0; i < 20; i++) {
                 events.push(i+80);
@@ -227,7 +227,7 @@ describe('ScrollPanel', function() {
 
     it('should not get stuck in #528 workaround', function(done) {
         var events = [];
-        q().then(() => {
+        Promise.resolve().then(() => {
             // initialise with a bunch of events
             for (var i = 0; i < 40; i++) {
                 events.push(i);

test/components/structures/TimelinePanel-test.js

@@ -145,7 +145,7 @@ describe('TimelinePanel', function() {
         // panel isn't paginating
         var awaitPaginationCompletion = function() {
             if(!panel.state.forwardPaginating)
-                return q();
+                return Promise.resolve();
             else
                 return q.delay(0).then(awaitPaginationCompletion);
         };
@@ -214,7 +214,7 @@ describe('TimelinePanel', function() {
         client.paginateEventTimeline = sinon.spy((tl, opts) => {
             console.log("paginate:", opts);
             expect(opts.backwards).toBe(true);
-            return q(true);
+            return Promise.resolve(true);
         });
 
         var rendered = ReactDOM.render(

test/components/views/dialogs/InteractiveAuthDialog-test.js

@@ -50,7 +50,7 @@ describe('InteractiveAuthDialog', function () {
 
     it('Should successfully complete a password flow', function() {
         const onFinished = sinon.spy();
-        const doRequest = sinon.stub().returns(q({a:1}));
+        const doRequest = sinon.stub().returns(Promise.resolve({a:1}));
 
         // tell the stub matrixclient to return a real userid
         var client = MatrixClientPeg.get();