*Added Skill Damage Adjustment!

- Disabled by default on src/config/core.h. Uncomment '#define ADJUST_SKILL_DAMAGE' to enable this skill damage adjustment
- Added skill_damage_db.txt (thank Lilith for 'Manage Skill Damage')
- Added new mapflag: 'skill_damage'. Please read 'doc/mapflags.txt' for more details
*Fixed bugreport:8029 (thank exneval for testing and reporting) (Akinari)
*Follow-up 647f99f (Akinari)
*Follow-up 15074d8: optimized item_isNoEquip check parts
*and some mirror changes

npc/scripts_mapflags.conf

@@ -1,17 +1,19 @@
 // --------------------------------------------------------------
 // -                         Map  Flags                         -
 // --------------------------------------------------------------
-npc: npc/mapflag/nopvp.txt
+npc: npc/mapflag/battleground.txt
 npc: npc/mapflag/gvg.txt
 npc: npc/mapflag/jail.txt
+npc: npc/mapflag/night.txt
 npc: npc/mapflag/nightmare.txt
 npc: npc/mapflag/nobranch.txt
 npc: npc/mapflag/noicewall.txt
 npc: npc/mapflag/nomemo.txt
 npc: npc/mapflag/nopenalty.txt
+npc: npc/mapflag/nopvp.txt
+npc: npc/mapflag/noreturn.txt
 npc: npc/mapflag/nosave.txt
 npc: npc/mapflag/noteleport.txt
-npc: npc/mapflag/noreturn.txt
 npc: npc/mapflag/noskill.txt
 npc: npc/mapflag/nowarp.txt
 npc: npc/mapflag/nowarpto.txt
@@ -19,8 +21,7 @@ npc: npc/mapflag/nowarpto.txt
 npc: npc/mapflag/pvp.txt
 npc: npc/mapflag/pvp_noparty.txt
 npc: npc/mapflag/pvp_noguild.txt
-npc: npc/mapflag/night.txt
 npc: npc/mapflag/restricted.txt
-npc: npc/mapflag/battleground.txt
-npc: npc/mapflag/town.txt
 npc: npc/mapflag/reset.txt
+npc: npc/mapflag/skill_damage.txt
+npc: npc/mapflag/town.txt