Feature - Converting existing rooms to/from DMs

#715

- 'Start chat' in the Member Details page should instead list the rooms you have in common with the user, as per vector-web.

Vector/Views/RoomList/RoomTableViewCell.h

@@ -0,0 +1,41 @@
+/*
+ Copyright 2016 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.
+ */
+
+#import <MatrixKit/MatrixKit.h>
+
+/**
+ The `RoomTableViewCell` cell displays a room (avatar and displayname).
+ */
+@interface RoomTableViewCell : MXKTableViewCell
+
+@property (weak, nonatomic) IBOutlet MXKImageView *avatarImageView;
+@property (weak, nonatomic) IBOutlet UILabel *titleLabel;
+
+/**
+ Update the information displayed by the cell.
+ 
+ @param rooom the room to render.
+ */
+- (void)render:(MXRoom *)room;
+
+/**
+ Get the cell height.
+
+ @return the cell height.
+ */
++ (CGFloat)cellHeight;
+
+@end