Update Hungarian translations

This is a collaborative effort of
  Balázs Meskó <meskobalazs@gmail.com> / https://www.transifex.com/user/profile/meskobalazs/
  Balázs Úr / https://www.transifex.com/user/profile/urbalazs/
  Gellért Gyuris / https://www.transifex.com/user/profile/bubu/
originally created at https://www.transifex.com/qt-hu/qt56/



Change-Id: I54fbb831abb36d588900eecd1fc29ae8f84eed08
Reviewed-by: Balázs Meskó <meskobalazs@gmail.com>
Reviewed-by: Balázs Úr
Reviewed-by: Gellért Gyuris
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>

translations/qtquickcontrols2_hu.ts

+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE TS>
+<TS version="2.1" language="hu_HU">
+<context>
+    <name>QtLabsMaterialStylePlugin</name>
+    <message>
+        <source>Material is an attached property</source>
+        <translation>Az anyag egy csatolt tulajdonság</translation>
+    </message>
+</context>
+<context>
+    <name>QtLabsUniversalStylePlugin</name>
+    <message>
+        <source>Universal is an attached property</source>
+        <translation>Az univerzális egy csatolt tulajdonság</translation>
+    </message>
+</context>
+</TS>