Merge branch 'svn' into drop2

Conflicts:
	java/com/l2jserver/gameserver/model/quest/Quest.java
Moved the methods giving items from Quest to AbstractScript
Added PRECISE_MULTIPLE_GROUP_ROLLS drop calculation strategy
Merge branch 'drop2' of https://github.com/Battlecruiser/L2J_Server_BETA

Conflicts:
	java/com/l2jserver/gameserver/model/events/AbstractScript.java
cleanup duplicate methods