Merge remote-tracking branch 'origin/4.14'

Conflicts:
	src/plugins/designer/cpp/formclasswizard.h
	src/plugins/designer/cpp/formclasswizarddialog.h

Change-Id: I9f9d166e1a9249022305503f9cbe571136c2a2b1

src/plugins/valgrind/memchecktool.cpp

@@ -824,6 +824,7 @@ void MemcheckToolPrivate::heobAction()
     if (!commandLineArguments.isEmpty())
         arguments += ' ' + commandLineArguments;
     QByteArray argumentsCopy(reinterpret_cast<const char *>(arguments.utf16()), arguments.size() * 2 + 2);
+    Q_UNUSED(argumentsCopy)
 
     // process environment
     QByteArray env;