Implemented Wolfchev's Laboratory instance. (credits: Hercules 1a477c4)

Signed-off-by: Euphy <euphy.raliel@rathena.org>
Bug Fixes
* Fixed Extremity Fist sliding issue getting players stuck in un-walkable cells. (bugreport:8949)
* Updated Cursed Circle against the target behavior.
* Updated Tinder Breaker snap behavior.
* Fixed Crush Strike to work with Auto Counter. (bugreport:6919)
* Fixed Fire Expansion - Acid skill animation.
* Fixed Spider Web not trapping targets. (bugreport:8958)
* Feint Bomb cannot be used on top of Land Protector.
* Fixed Slow Grace movement speed penalty. (bugreport:8946)
* Updated Camouflage to official effects.
* Fixed Beyond of Warcry decreasing critical rather than increasing.
* Fixed Zephyr flee bonus to be a solid 25 increase.
* Decrease Agi, Quagmire, Slow Grace, and Adoramus are no longer affected by SC_SPEEDUP1.
* Fixed Warg Strike to be a weapon attack type. (bugreport:8917)
* Fixed Explosion Spirits to double SP regen tick rather than halve SP regen rate. (bugreport:8936)
* Fixed Millennium Shield, Crush Strike, and Refresh having their cooldown values in the wrong field. (bugreport:8957)
* Cleaned up the status change table for 3rd class skills applying/removing SCB's that should/shouldn't be calculated.
* Updated Saturday Night Fever to official effects.
* Updated Berserk damage formula for renewal versus pre-renewal.
* Fixed Masquerade - Laziness not reducing movement speed.
* Updated the behavior of Frigg's Song.
* Updated Light of Regen, Xeno Slasher, and Silent Breeze skills.
* Updated several Homunculus S skill cast values.
* Deadly Infect will now only spread for short ranged attacks.
* Abundance and Guillotine Cross Poisons no longer overlap.
* Fixed Upheaval and Cursed Soil not giving their respective Max HP bonuses. (bugreport:8951)
* Fixed Solid Skin not giving DEF bonus.
* Fixed Stealth Field to properly hide players.
* Burning now reduces MDEF and has an icon.
* Updated the way skills that give equipment attack are calculated. Thanks to exneval.
* Updated the official item delay message.
* Cleaned up some other issues/left overs.
Applied remaining effects for Vellum weapons. (bugreport:7986)
Merge branch 'rathena/master'

Conflicts:
	src/map/status.c (resolved)