Refactoring to prepare for renaming of RimSummaryCaseCollection

Move functions into RimSummaryEnsembleTools
Use enum class instead of plain enum

ApplicationLibCode/UnitTests/RimSummaryCaseCollection-Test.cpp

@@ -1,12 +1,10 @@
 #include "gtest/gtest.h"
 
 #include "RigEnsembleParameter.h"
-#include "RimSummaryCaseCollection.h"
+#include "RimSummaryEnsembleTools.h"
 
 #include <random>
 
-#include <QDebug>
-
 class RimSummaryCaseCollection_TESTER
 {
 public:
@@ -74,7 +72,7 @@ void RimSummaryCaseCollection_TESTER::test1()
     }
 
     size_t previousSize = parameters.size();
-    RimSummaryCaseCollection::sortByBinnedVariation( parameters );
+    RimSummaryEnsembleTools::sortByBinnedVariation( parameters );
     size_t currentSize = parameters.size();
     EXPECT_EQ( previousSize, currentSize );