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/VectorConferenceHandler.js

@@ -53,7 +53,7 @@ ConferenceCall.prototype._joinConferenceUser = function() {
     // Make sure the conference user is in the group chat room
     var groupRoom = this.client.getRoom(this.groupRoomId);
     if (!groupRoom) {
-        return q.reject("Bad group room ID");
+        return Promise.reject("Bad group room ID");
     }
     var member = groupRoom.getMember(this.confUserId);
     if (member && member.membership === "join") {

src/components/views/context_menus/RoomTileContextMenu.js

@@ -61,7 +61,7 @@ module.exports = React.createClass({
         const roomId = this.props.room.roomId;
         var cli = MatrixClientPeg.get();
         if (!cli.isGuest()) {
-            q.delay(500).then(function() {
+            Promise.delay(500).then(function() {
                 if (tagNameOff !== null && tagNameOff !== undefined) {
                     cli.deleteRoomTag(roomId, tagNameOff).finally(function() {
                         // Close the context menu
@@ -212,7 +212,7 @@ module.exports = React.createClass({
         RoomNotifs.setRoomNotifsState(this.props.room.roomId, newState).done(() => {
             // delay slightly so that the user can see their state change
             // before closing the menu
-            return q.delay(500).then(() => {
+            return Promise.delay(500).then(() => {
                 if (this._unmounted) return;
                 // Close the context menu
                 if (this.props.onFinished) {

src/components/views/settings/Notifications.js

@@ -236,7 +236,7 @@ module.exports = React.createClass({
                 }
             }
 
-            q.all(deferreds).done(function() {
+            Promise.all(deferreds).done(function() {
                 self._refreshFromServer();
             }, function(error) {
                 var ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
@@ -306,7 +306,7 @@ module.exports = React.createClass({
             }
         }
 
-        q.all(deferreds).done(function(resps) {
+        Promise.all(deferreds).done(function(resps) {
             self._refreshFromServer();
         }, function(error) {
             var ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
@@ -361,7 +361,7 @@ module.exports = React.createClass({
         }
 
         // Then, add the new ones
-        q.all(removeDeferreds).done(function(resps) {
+        Promise.all(removeDeferreds).done(function(resps) {
             var deferreds = [];
 
             var pushRuleVectorStateKind = self.state.vectorContentRules.vectorState;
@@ -399,7 +399,7 @@ module.exports = React.createClass({
                 }
             }
 
-            q.all(deferreds).done(function(resps) {
+            Promise.all(deferreds).done(function(resps) {
                 self._refreshFromServer();
             }, onError);
         }, onError);
@@ -594,7 +594,7 @@ module.exports = React.createClass({
             self.setState({pushers: resp.pushers});
         });
 
-        q.all([pushRulesPromise, pushersPromise]).then(function() {
+        Promise.all([pushRulesPromise, pushersPromise]).then(function() {
             self.setState({
                 phase: self.phases.DISPLAY
             });

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" },

src/vector/platform/WebPlatform.js

@@ -68,7 +68,7 @@ export default class WebPlatform extends VectorBasePlatform {
         // annoyingly, the latest spec says this returns a
         // promise, but this is only supported in Chrome 46
         // and Firefox 47, so adapt the callback API.
-        const defer = q.defer();
+        const defer = Promise.defer();
         global.Notification.requestPermission((result) => {
             defer.resolve(result);
         });
@@ -103,7 +103,7 @@ export default class WebPlatform extends VectorBasePlatform {
     }
 
     _getVersion(): Promise<string> {
-        const deferred = q.defer();
+        const deferred = Promise.defer();
 
         // We add a cachebuster to the request to make sure that we know about
         // the most recent version on the origin server. That might not

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);