-Fix bugreport:6096 (saturday_night), add rate failure, fix sit icone, add restrict to pvp map
-Fix bugreport:6831 (sc_intravision), prevent item starting (and so ending) intravision while wearing maya purple
DB:
-Upd *INSIGNIA duration to 60s, fix requirement indigo per level (itemid ain't split in src =( )
-Upd WM_SATURDAY_NIGHT_FEVER hp/sp drain interval to 12-2*skilllv
-Upd skill_require_db fix add note about some state status wich were present but not mentionned.
-Add poisonweapon and rollingcutter code implantation. (was used in require db without effect and removed hardcoded check)
git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@16847 54d463be-8e91-2dee-dedb-b68131a5f0ec