Item database update.
- Added/edited itemscripts for some new items.
- Corrected the persistence of many Hit- and Flee-increasing consumables, as they should dispel upon death. (incl. bugreport:8626)
http://rathena.org/board/tracker/issue-8626-accuracy-30-scroll-effect-when-death/

Hercules merges:
- Added optional 'count' parameter to script command 'successrefitem'. (9d1f80e)
- Atcommand bindings are now case-insensitive, like normal atcommands. (92be98c)
- Consumables without expire time no longer stack with rental items. (afcb4bc, bugreport:8458)
http://rathena.org/board/tracker/issue-8458-rent-item-bug/

Signed-off-by: Euphy <euphy.raliel@rathena.org>