* Gift of Vitality refactoring and cleanup.
	* Heavy Medal refactoring and cleanup.
	* The Valentine Event refactoring and cleanup.
Some minor changes by me.

	* [8615] Improvements, thanks jurchiks for noticing it/fix contribution.
	* Treykan Transformation fixes, based on thecast/nonom contribution.
	* Darkamane Peacer Transformation fixes.
	* Dissonance(5437) skill fixes.
	* Cursed Body(967) skill pre-implemented, proper effects will come in next updates.

BETA: Added "enchanted" & "for_npc" to items for future usage (thanks UnAfraid), also a Minor Improvement for [8612] (thanks nonom).

BETA/STABLE: Updating signboards to show proper htmls (also updated their htmls), thans '''nonom''' for test.

	* Using same Code warning/error configuration than core.
	* Fixed respective warnings and errors.
	* Fixing Extractable Skills restriction properly.
		1. Unhardcode Skills Ids.
		1. Now only Item Skills are restricted.
		1. Items with consume count won't be consumed without giving the reward.
		1. Applied to reuse time greater than 5 seconds, there is no point on restrict item skills with less reuse time.
		1. Unhardcoded system message for item reward.
	* Hellbound fixes:
		1. Hellbound should start closed at server start (level 0), thanks Trev.
		1. Quarry ClassCastException fix.
	* Q290_ThreatRemoval removed unnecessary int cast.
	* Q636_TruthBeyond proper method to get an int.
	* Skill Santa Claus' Gift - Luck(22018) typo fix.

    * Command clan_changeleader won't do numeric exceptions.
    * Now is possible to use the name of the character, clan_changeleader Zoey76
    * Removed custom system messages, used available in client (Unharcoded).
    * Removed iteration over clan members, this should improve command performance.
    * Removed e.printStatckTrace(), replaced with proper logger.
    * Implemented off-line privileges set for former clan leader.
    * Better handling of exceptions.
    * Cleanup and code formatting.

BETA: Let's comment spawn type="entrance" in clan hall zones (until support is done), to avoid warnings during server startup.

	* Heading is now displayed.
	* Collision Radius is now displayed.
	* Collision Height is now displayed.

Useful for debug new NPCs.

BETA/STABLE: In H5 for the Spear weapons of S84-Grade or higher, the stats for special abilities of Haste is increased from 9% to 11%.

No commit message