Room search: search result should include the search pattern when it corresponds to a valid room alias or id.

+
Room search: Room preview should be used when user selects a public room that he did not join yet.

https://github.com/vector-im/vector-ios/issues/328
https://github.com/vector-im/vector-ios/issues/329

Vector/Views/RoomList/RecentTableViewCell.m

@@ -32,10 +32,6 @@
 {
     [super awakeFromNib];
     
-    // Round image view
-    [_roomAvatar.layer setCornerRadius:_roomAvatar.frame.size.width / 2];
-    _roomAvatar.clipsToBounds = YES;
-    
     // Initialize unread count badge
     [_missedNotifAndUnreadBadgeBgView.layer setCornerRadius:10];
     _missedNotifAndUnreadBadgeBgViewWidthConstraint.constant = 0;
@@ -46,6 +42,15 @@
     self.missedNotifAndUnreadBadgeLabel.textColor = [UIColor whiteColor];
 }
 
+- (void)layoutSubviews
+{
+    [super layoutSubviews];
+    
+    // Round image view
+    [_roomAvatar.layer setCornerRadius:_roomAvatar.frame.size.width / 2];
+    _roomAvatar.clipsToBounds = YES;
+}
+
 - (void)render:(MXKCellData *)cellData
 {
     // Hide by default missed notifications and unread widgets