Move all remaining globals to the global context.

Zero out all globals (and remove unnecessary init() functions).
Move snapshot globals to a temporary stack variable.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com

jerry-core/jmem/jmem-poolman.h

@@ -29,7 +29,6 @@
  * @{
  */
 
-extern void jmem_pools_init (void);
 extern void jmem_pools_finalize (void);
 extern void *jmem_pools_alloc (void);
 extern void jmem_pools_free (void *);