Fix several deprecation warnings (#8657)

* Use constructor instead of nullptr for WindowFlags
* Use constructor instead of nullptr for Alignment
* Disable deprecation warning for QProcess
* Add string split method to RaTextStringTools
* Add caf.cpp used to manage Qt function deprecations
* Use position()

ApplicationLibCode/FileInterface/RifCsvUserDataParser.cpp

@@ -30,6 +30,7 @@
 
 #include "SummaryPlotCommands/RicPasteAsciiDataToSummaryPlotFeatureUi.h"
 
+#include "caf.h"
 #include "cvfAssert.h"
 
 #include <QFile>
@@ -733,7 +734,7 @@ QLocale RifCsvUserDataParser::localeFromDecimalSeparator( const QString& decimal
 {
     if ( decimalSeparator == "," )
     {
-        return QLocale::Norwegian;
+        return caf::norwegianLocale();
     }
     return QLocale::c();
 }