Prepare UX Rework:

- Define the 4 tabs: Home, Fav, People and Rooms

Riot/ViewController/RoomsViewController.m

@@ -0,0 +1,78 @@
+/*
+ Copyright 2017 Vector Creations 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 "RoomsViewController.h"
+
+#import "AppDelegate.h"
+
+#import "RecentsDataSource.h"
+
+@implementation RoomsViewController
+
+- (void)finalizeInit
+{
+    [super finalizeInit];
+    
+    self.screenName = @"Rooms";
+    self.delegate = self;
+}
+
+- (void)viewDidLoad
+{
+    [super viewDidLoad];
+    
+    self.view.accessibilityIdentifier = @"RoomsVCView";
+    self.recentsTableView.accessibilityIdentifier = @"RoomsVCTableView";
+    
+    [AppDelegate theDelegate].masterTabBarController.navigationItem.title = NSLocalizedStringFromTable(@"title_rooms", @"Vector", nil);
+    
+    // Add room creation button programatically
+    [self addRoomCreationButton];
+}
+
+- (void)viewWillAppear:(BOOL)animated
+{
+    [super viewWillAppear:animated];
+    
+    if ([self.dataSource isKindOfClass:RecentsDataSource.class])
+    {
+        // Take the lead on the shared data source.
+        RecentsDataSource *recentsDataSource = (RecentsDataSource*)self.dataSource;
+        recentsDataSource.areSectionsShrinkable = NO;
+        [recentsDataSource setDelegate:self andRecentsDataSourceMode:RecentsDataSourceModeRooms];
+    }
+}
+
+- (void)dealloc
+{
+    
+}
+
+- (void)destroy
+{
+    [super destroy];
+}
+
+
+#pragma mark - MXKRecentListViewControllerDelegate
+
+- (void)recentListViewController:(MXKRecentListViewController *)recentListViewController didSelectRoom:(NSString *)roomId inMatrixSession:(MXSession *)matrixSession
+{
+    // Open the room
+    [[AppDelegate theDelegate].masterTabBarController selectRoomWithId:roomId andEventId:nil inMatrixSession:matrixSession];
+}
+
+@end