Add literal storage, literal_t type and functions for its processing.

JerryScript-DCO-1.0-Signed-off-by: Evgeny Gavrin e.gavrin@samsung.com
JerryScript-DCO-1.0-Signed-off-by: Andrey Shitov a.shitov@samsung.com

jerry-core/rcs/rcs-chunked-list.h

@@ -55,6 +55,7 @@ public:
   } node_t;
 
   void init (void);
+  void cleanup (void);
   void free (void);
 
   node_t *get_first (void) const;