Bug Fix - Add the VoIP call screen

#455

Vector/ViewController/CallViewController.h

@@ -0,0 +1,27 @@
+/*
+ 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>
+
+/**
+ 'CallViewController' instance displays a call. Only one matrix session is supported by this view controller.
+ */
+@interface CallViewController : MXKCallViewController
+
+@property (weak, nonatomic) IBOutlet UIView *gradientMaskContainerView;
+@property (weak, nonatomic) IBOutlet UIButton *chatButton;
+
+@end