Move MatrixChat and login components to react SDK.

Removed Modulator as it is no longer necessary in this form. ConferenceHandler
is injected in src/vector/index.js

src/components/structures/login/PostRegistration.js

@@ -0,0 +1,80 @@
+/*
+Copyright 2015 OpenMarket Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+'use strict';
+
+var React = require('react');
+var sdk = require('../../../index');
+var MatrixClientPeg = require('../../../MatrixClientPeg');
+
+module.exports = React.createClass({
+    displayName: 'PostRegistration',
+
+    propTypes: {
+        onComplete: React.PropTypes.func.isRequired
+    },
+
+    getInitialState: function() {
+        return {
+            avatarUrl: null,
+            errorString: null,
+            busy: false
+        };
+    },
+
+    componentWillMount: function() {
+        // There is some assymetry between ChangeDisplayName and ChangeAvatar,
+        // as ChangeDisplayName will auto-get the name but ChangeAvatar expects
+        // the URL to be passed to you (because it's also used for room avatars).
+        var cli = MatrixClientPeg.get();
+        this.setState({busy: true});
+        var self = this;
+        cli.getProfileInfo(cli.credentials.userId).done(function(result) {
+            self.setState({
+                avatarUrl: MatrixClientPeg.get().mxcUrlToHttp(result.avatar_url),
+                busy: false
+            });
+        }, function(error) {
+            self.setState({
+                errorString: "Failed to fetch avatar URL",
+                busy: false
+            });
+        });
+    },
+
+    render: function() {
+        var ChangeDisplayName = sdk.getComponent('settings.ChangeDisplayName');
+        var ChangeAvatar = sdk.getComponent('settings.ChangeAvatar');
+        return (
+            <div className="mx_Login">
+                <div className="mx_Login_box">
+                    <div className="mx_Login_logo">
+                        <img src="img/logo.png" width="249" height="78" alt="vector"/>
+                    </div>
+                    <div className="mx_Login_profile">
+                        Set a display name:
+                        <ChangeDisplayName />
+                        Upload an avatar:
+                        <ChangeAvatar
+                            initialAvatarUrl={this.state.avatarUrl} />
+                        <button onClick={this.props.onComplete}>Continue</button>
+                        {this.state.errorString}
+                    </div>
+                </div>
+            </div>
+        );
+    }
+});