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/MatrixChat.js

@@ -224,7 +224,7 @@ module.exports = React.createClass({
 
         // Used by _viewRoom before getting state from sync
         this.firstSyncComplete = false;
-        this.firstSyncPromise = q.defer();
+        this.firstSyncPromise = Promise.defer();
 
         if (this.props.config.sync_timeline_limit) {
             MatrixClientPeg.opts.initialSyncLimit = this.props.config.sync_timeline_limit;
@@ -1039,7 +1039,7 @@ module.exports = React.createClass({
         // since we're about to start the client and therefore about
         // to do the first sync
         this.firstSyncComplete = false;
-        this.firstSyncPromise = q.defer();
+        this.firstSyncPromise = Promise.defer();
         const cli = MatrixClientPeg.get();
 
         // Allow the JS SDK to reap timeline events. This reduces the amount of

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({

src/components/views/dialogs/ChatInviteDialog.js

@@ -498,7 +498,7 @@ module.exports = React.createClass({
         }
 
         // wait a bit to let the user finish typing
-        return q.delay(500).then(() => {
+        return Promise.delay(500).then(() => {
             if (cancelled) return null;
             return MatrixClientPeg.get().lookupThreePid(medium, address);
         }).then((res) => {

src/components/views/room_settings/AliasSettings.js

@@ -104,7 +104,7 @@ module.exports = React.createClass({
         }
         if (oldCanonicalAlias !== this.state.canonicalAlias) {
             console.log("AliasSettings: Updating canonical alias");
-            promises = [q.all(promises).then(
+            promises = [Promise.all(promises).then(
                 MatrixClientPeg.get().sendStateEvent(
                     this.props.roomId, "m.room.canonical_alias", {
                         alias: this.state.canonicalAlias

src/components/views/rooms/Autocomplete.js

@@ -73,7 +73,7 @@ export default class Autocomplete extends React.Component {
             autocompleteDelay = 0;
         }
 
-        const deferred = Q.defer();
+        const deferred = Promise.defer();
         this.debounceCompletionsRequest = setTimeout(() => {
             this.processQuery(query, selection).then(() => {
                 deferred.resolve();
@@ -176,7 +176,7 @@ export default class Autocomplete extends React.Component {
     }
 
     forceComplete() {
-        const done = Q.defer();
+        const done = Promise.defer();
         this.setState({
             forceComplete: true,
             hide: false,

src/components/views/rooms/RoomSettings.js

@@ -184,7 +184,7 @@ module.exports = React.createClass({
     },
 
     save: function() {
-        var stateWasSetDefer = q.defer();
+        var stateWasSetDefer = Promise.defer();
         // the caller may have JUST called setState on stuff, so we need to re-render before saving
         // else we won't use the latest values of things.
         // We can be a bit cheeky here and set a loading flag, and listen for the callback on that
@@ -282,7 +282,7 @@ module.exports = React.createClass({
         // color scheme
         var p;
         p = this.saveColor();
-        if (!q.isFulfilled(p)) {
+        if (!Promise.isFulfilled(p)) {
             promises.push(p);
         }
 
@@ -294,7 +294,7 @@ module.exports = React.createClass({
 
         // encryption
         p = this.saveEnableEncryption();
-        if (!q.isFulfilled(p)) {
+        if (!Promise.isFulfilled(p)) {
             promises.push(p);
         }
 

src/components/views/settings/ChangePassword.js

@@ -161,7 +161,7 @@ module.exports = React.createClass({
     },
 
     _optionallySetEmail: function() {
-        const deferred = q.defer();
+        const deferred = Promise.defer();
         // Ask for an email otherwise the user has no way to reset their password
         const SetEmailDialog = sdk.getComponent("dialogs.SetEmailDialog");
         Modal.createDialog(SetEmailDialog, {