move most of the files from esm to esm3, keep common code in esm; this is make space for a future with esm4

esm typo

esm typo

components/esm3/globalscript.hpp

@@ -0,0 +1,27 @@
+#ifndef OPENMW_ESM_GLOBALSCRIPT_H
+#define OPENMW_ESM_GLOBALSCRIPT_H
+
+#include "locals.hpp"
+#include "cellref.hpp"
+
+namespace ESM
+{
+    class ESMReader;
+    class ESMWriter;
+
+    /// \brief Storage structure for global script state (only used in saved games)
+
+    struct GlobalScript
+    {
+        std::string mId; /// \note must be lowercase
+        Locals mLocals;
+        int mRunning;
+        std::string mTargetId; // for targeted scripts
+        RefNum mTargetRef;
+
+        void load (ESMReader &esm);
+        void save (ESMWriter &esm) const;
+    };
+}
+
+#endif