BETA: Adding two useful methods inside Util.
	Patch by: Nos

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6322 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad
BETA: '''Buffs'''/'''Debuffs''' now support empty effect list (before they were not being added on buff list)
	* Removed `BigHead` effect its not needed any more now its handled by '''abnormalVisualEffect'''.
	* Implemented 3 new effect scopes pveEffects, pvpEffects, endEffects.
		* '''pveEffects''' will be activated when skill is casted from a player to a monster.
		* '''pvpEffects''' will be activated when skill is casted from a player to a player.
		* '''endEffects''' will be activated when buff is removed (supports only instant effects).
	* Added a new effect `CallSkill`.
	* Replaced `ChanceSkillTrigger` effect in some skills with new `CallSkill` effect.

Reviewed by: !UnAfraid, Adry_85

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6323 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad
BETA: `CA5` skill operate type should not be continuous.

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6324 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad
BETA: Fixed a minor typo causing stats stacking between herb and inactive buff from herb.
	* Fixed a bug caused when picking up a herb while already having a herb of same abnormal type causing `BuffTimeTask` to keep running for that herb and removing it from buffs when time passes infinitely every second.
		* Reported by: laxsur, Sdw, Karlson

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6325 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad
BETA: Added 3 system properties '''noquests''', '''nohandlers''', '''nospawns'''.
	* Fixed some invisibility issues.
		* Reported by: Gries, Tavo22, l2gang, thorl2

git-svn-id: http://svn.l2jserver.com/branches/unstable/L2J_Server_BETA@6326 d34dfa0f-f91c-0410-86dd-cf06f19dd0ad
Merge branch 'master' of https://github.com/L2J/L2J_Server_BETA

Conflicts:
	java/com/l2jserver/gameserver/util/Util.java