[konheko] Add scheme to links, if it is missing

qml/pages/delegates/TextMessage.qml

@@ -11,7 +11,7 @@ Label {
     // Link color doesn't work with textFormat Text.RichText...
     //linkColor: Theme.highlightColor
     font.pixelSize: Theme.fontSizeSmall
-    onLinkActivated: Qt.openUrlExternally(link)
+    onLinkActivated: Qt.openUrlExternally(link.match(/:\/\//) ? link : ('http://' + link))
     wrapMode: Text.Wrap
     width: Math.min(messageText.implicitWidth, bubble.fullMessageWidth)
 }