s/.done(/.then(/ since modern es6 track unhandled promise exceptions

src/components/structures/auth/ForgotPassword.js

@@ -105,7 +105,7 @@ module.exports = createReactClass({
             phase: PHASE_SENDING_EMAIL,
         });
         this.reset = new PasswordReset(this.props.serverConfig.hsUrl, this.props.serverConfig.isUrl);
-        this.reset.resetPassword(email, password).done(() => {
+        this.reset.resetPassword(email, password).then(() => {
             this.setState({
                 phase: PHASE_EMAIL_SENT,
             });

src/components/structures/auth/Login.js

@@ -253,7 +253,7 @@ module.exports = createReactClass({
             this.setState({
                 busy: false,
             });
-        }).done();
+        }).then();
     },
 
     onUsernameChanged: function(username) {
@@ -424,7 +424,7 @@ module.exports = createReactClass({
             this.setState({
                 busy: false,
             });
-        }).done();
+        }).then();
     },
 
     _isSupportedFlow: function(flow) {

src/components/structures/auth/PostRegistration.js

@@ -43,7 +43,7 @@ module.exports = createReactClass({
         const cli = MatrixClientPeg.get();
         this.setState({busy: true});
         const self = this;
-        cli.getProfileInfo(cli.credentials.userId).done(function(result) {
+        cli.getProfileInfo(cli.credentials.userId).then(function(result) {
             self.setState({
                 avatarUrl: MatrixClientPeg.get().mxcUrlToHttp(result.avatar_url),
                 busy: false,

src/components/structures/auth/Registration.js

@@ -371,7 +371,7 @@ module.exports = createReactClass({
                 if (pushers[i].kind === 'email') {
                     const emailPusher = pushers[i];
                     emailPusher.data = { brand: this.props.brand };
-                    matrixClient.setPusher(emailPusher).done(() => {
+                    matrixClient.setPusher(emailPusher).then(() => {
                         console.log("Set email branding to " + this.props.brand);
                     }, (error) => {
                         console.error("Couldn't set email branding: " + error);