Update valgrind plugin namespace and use new APIs.

Merge-request: 284
Reviewed-by: hjk <qtc-committer@nokia.com>

src/plugins/valgrindtoolbase/valgrindsettings.cpp

@@ -42,7 +42,7 @@
 
 #include <QtCore/QSettings>
 
-using namespace Analyzer::Internal;
+using namespace Valgrind::Internal;
 using namespace Analyzer;
 
 static const QLatin1String groupC("Analyzer");