refactored transformation: added folders for each transformation

src/Transformations/LoopCombining/loops_combiner.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include "dvm.h"
+#include "../GraphLoop/graph_loops.h"
+#include "../SageAnalysisTool/depGraph.h"
+#include "../SageAnalysisTool/OmegaForSage/include/lang-interf.h"
+#include "../DirectiveProcessing/directive_parser.h"
+#include <vector>
+
+int combineLoops(SgFile *file, std::vector<LoopGraph*> &loopGraphs, std::vector<Messages> &messages, 
+	             const std::pair<std::string, int>& onPlace, const std::map<LoopGraph*, depGraph*>& depInfoForLoopGraph, int& countOfTransform);