q(...) -> Promise.resolve

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

src/components/structures/MatrixChat.js

@@ -323,9 +323,9 @@ module.exports = React.createClass({
                 return;
             }
 
-            // the extra q() ensures that synchronous exceptions hit the same codepath as
+            // the extra Promise.resolve() ensures that synchronous exceptions hit the same codepath as
             // asynchronous ones.
-            return q().then(() => {
+            return Promise.resolve().then(() => {
                 return Lifecycle.loadSession({
                     fragmentQueryParams: this.props.startingFragmentQueryParams,
                     enableGuest: this.props.enableGuest,
@@ -694,7 +694,7 @@ module.exports = React.createClass({
 
         // Wait for the first sync to complete so that if a room does have an alias,
         // it would have been retrieved.
-        let waitFor = q(null);
+        let waitFor = Promise.resolve(null);
         if (!this.firstSyncComplete) {
             if (!this.firstSyncPromise) {
                 console.warn('Cannot view a room before first sync. room_id:', roomInfo.room_id);

src/components/structures/RoomView.js

@@ -788,7 +788,7 @@ module.exports = React.createClass({
 
     onSearchResultsFillRequest: function(backwards) {
         if (!backwards) {
-            return q(false);
+            return Promise.resolve(false);
         }
 
         if (this.state.searchResults.next_batch) {
@@ -798,7 +798,7 @@ module.exports = React.createClass({
             return this._handleSearchResult(searchPromise);
         } else {
             debuglog("no more search results");
-            return q(false);
+            return Promise.resolve(false);
         }
     },
 
@@ -859,7 +859,7 @@ module.exports = React.createClass({
             return;
         }
 
-        q().then(() => {
+        Promise.resolve().then(() => {
             const signUrl = this.props.thirdPartyInvite ?
                 this.props.thirdPartyInvite.inviteSignUrl : undefined;
             dis.dispatch({
@@ -878,7 +878,7 @@ module.exports = React.createClass({
                     }
                 }
             }
-            return q();
+            return Promise.resolve();
         });
     },
 

src/components/structures/ScrollPanel.js

@@ -145,7 +145,7 @@ module.exports = React.createClass({
         return {
             stickyBottom: true,
             startAtBottom: true,
-            onFillRequest: function(backwards) { return q(false); },
+            onFillRequest: function(backwards) { return Promise.resolve(false); },
             onUnfillRequest: function(backwards, scrollToken) {},
             onScroll: function() {},
         };

src/components/structures/TimelinePanel.js

@@ -311,13 +311,13 @@ var TimelinePanel = React.createClass({
 
         if (!this.state[canPaginateKey]) {
             debuglog("TimelinePanel: have given up", dir, "paginating this timeline");
-            return q(false);
+            return Promise.resolve(false);
         }
 
         if(!this._timelineWindow.canPaginate(dir)) {
             debuglog("TimelinePanel: can't", dir, "paginate any further");
             this.setState({[canPaginateKey]: false});
-            return q(false);
+            return Promise.resolve(false);
         }
 
         debuglog("TimelinePanel: Initiating paginate; backwards:"+backwards);

src/components/structures/UserSettings.js

@@ -203,7 +203,7 @@ module.exports = React.createClass({
         this._addThreepid = null;
 
         if (PlatformPeg.get()) {
-            q().then(() => {
+            Promise.resolve().then(() => {
                 return PlatformPeg.get().getAppVersion();
             }).done((appVersion) => {
                 if (this._unmounted) return;
@@ -301,7 +301,7 @@ module.exports = React.createClass({
     },
 
     _refreshMediaDevices: function() {
-        q().then(() => {
+        Promise.resolve().then(() => {
             return CallMediaHandler.getDevices();
         }).then((mediaDevices) => {
             // console.log("got mediaDevices", mediaDevices, this._unmounted);

src/components/structures/login/Registration.js

@@ -180,7 +180,7 @@ module.exports = React.createClass({
         // will just nop. The point of this being we might not have the email address
         // that the user registered with at this stage (depending on whether this
         // is the client they initiated registration).
-        let trackPromise = q(null);
+        let trackPromise = Promise.resolve(null);
         if (this._rtsClient && extra.emailSid) {
             // Track referral if this.props.referrer set, get team_token in order to
             // retrieve team config and see welcome page etc.
@@ -232,7 +232,7 @@ module.exports = React.createClass({
 
     _setupPushers: function(matrixClient) {
         if (!this.props.brand) {
-            return q();
+            return Promise.resolve();
         }
         return matrixClient.getPushers().then((resp)=>{
             const pushers = resp.pushers;