Make CreateRoom remember what the values of its fields were. Remove some fairly pointless atoms

src/controllers/atoms/create_room/RoomAlias.js

@@ -23,23 +23,19 @@ module.exports = {
         // Specifying a homeserver will make magical things happen when you,
         // e.g. start typing in the room alias box.
         homeserver: React.PropTypes.string,
-        default_alias: React.PropTypes.string
+        alias: React.PropTypes.string,
+        onChange: React.PropTypes.func,
     },
 
     getDefaultProps: function() {
         return {
-            default_alias: '',
+            onChange: function() {},
+            alias: '',
         };
     },
 
-    getInitialState: function() {
-        return {
-            room_alias: this.props.default_alias,
-        }
-    },
-
     getAliasLocalpart: function() {
-        var room_alias = this.state.room_alias;
+        var room_alias = this.props.alias;
 
         if (room_alias && this.props.homeserver) {
             var suffix = ":" + this.props.homeserver;

src/controllers/atoms/create_room/RoomNameTextbox.js

@@ -1,41 +0,0 @@
-/*
-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');
-
-module.exports = {
-    propTypes: {
-        default_name: React.PropTypes.string
-    },
-
-    getDefaultProps: function() {
-        return {
-            default_name: '',
-        };
-    },
-
-    getInitialState: function() {
-        return {
-            room_name: this.props.default_name,
-        }
-    },
-
-    getName: function() {
-        return this.state.room_name;
-    },
-};

src/controllers/atoms/create_room/RoomTopic.js

@@ -1,41 +0,0 @@
-/*
-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');
-
-module.exports = {
-    propTypes: {
-        default_topic: React.PropTypes.string
-    },
-
-    getDefaultProps: function() {
-        return {
-            default_topic: '',
-        };
-    },
-
-    getInitialState: function() {
-        return {
-            room_topic: this.props.default_topic,
-        }
-    },
-
-    getTopic: function() {
-        return this.state.room_topic;
-    },
-};