deselect conversation when right panel disappear

When the back button is pressed, the selected conversation in the list
is now deselected. Prior to this patch, it was necessary to select
another conversation then the first one to reopen the chat view with
a contact.

Change-Id: I46a253ecd2161c76bb4d8bab26b7b1389248abc9
Reviewed-by: Kateryna Kostiuk <kateryna.kostiuk@savoirfairelinux.com>
diff --git a/src/RingWindowController.h b/src/RingWindowController.h
index 3207a2c..b350024 100644
--- a/src/RingWindowController.h
+++ b/src/RingWindowController.h
@@ -49,4 +49,10 @@
  */
 - (void) selectAccount:(const lrc::api::account::Info&)accInfo;
 
+/**
+ * Method triggered when a panel on the right is closed by user action. It triggers any action needed
+ * on itself or other view controllers to react properly to this event.
+ */
+-(void) rightPanelClosed;
+
 @end