-Small fix for Rage Aura debuff

-Update TriggerForce effect to avoid visual bug when Sigel' class use any aura on party, and some bug fixes on this effect.
-Implemented soulshot\spiritshot\blessed spiritshot damage bonus from enchanted weapon
-Implemented soulshot\spiritshot\blessed spiritshot damage bonus from Jewels Ruby\Sapphire
-Implemented Ruby\Sapphire\Topaz\Opal\Obsidian\Diamond\Emerald\Aquamarine\Pearl Jewels and its stats\skills.
-Changed compound jewels rate (in official servers - chances are lower (and from 3-5 lvls - greatly lower)
-Added visual effect to SS\SPS\BSPS if you equip Ruby\Sapphire 3\4\5 lvls (blue\yellow\red glow effects)
-New parameter weaponElementPower - increase weapon attribute power (if fire added in weapon - this parameter increase fire.. also about others)
-Small update skills.xsd to remove some eclipse warnings.

Contributed by NviX.

trunk/java/com/l2jserver/gameserver/model/stats/Stats.java

@@ -142,6 +142,7 @@ public enum Stats
 	EARTH_POWER("earthPower"),
 	HOLY_POWER("holyPower"),
 	DARK_POWER("darkPower"),
+	WEAPON_ELEMENT_POWER("weaponElementPower"),
 	
 	// PROFICIENCY
 	CANCEL_PROF("cancelProf"),