Add retail missing drop Forgottens Scrolls 83

- Improvement wrong drop for npc id "20552"
- Updated Lv 83 to Forgotten Scrolls High Five
- Updated Skills/Forgotten Acquisition Level
- AutoLearnForgottenScrollSkills = True at the correct level
- Updated Skill Acquisition SP
- Add missing skill High Five Skill Acquisition
- Reorganized Skill Acquisition by Level

A long time ago i had opened this Pull Request -->
https://github.com/L2J/L2J_DataPack/pull/152
I closed because it lacked the part of retail droplist for Forgotens
Scrolls Lv 83, right now done.

Reported by: djmouse

fix summoning player from olympiad

Reported by: epu, Pandragon
Patch by: Pandragon

First load shot then send message

Reported by: sahar
Patched by: sahar

Minor typo in OrcChange1.java

Clean some useless information
Fix bad values

Wrong item id for MASK_OF_MEDIUM.

@reported by: sahar
@patched by: sahar

Core L2J/L2J_Server@869052eb6dc1719e35c42a38e4b6187bd76c70f3

They is not used anymore.
Update xsd file with enum for <set name=?

@reported by: Hackenger
@patched by: Hackenger

DataPack L2J/L2J_DataPack@c28b5c3e9570ba3e0c4f5296e1e9a6751ed385d2

2D and 3D is used to show distance between target current position and
spawn one

@reported by: @UnAfraid

@patched by: sahar

For optionsData
cAtkAdd -> critDmgAdd

Require Core!
@reported by: sahar

Reported by: chromiumdj

Patch by: @ivantotov

Fix suicide skills

- MaxHp
- MaxCp
Fix bad value in:
- Soul Roar
Add missing message for amout of recovery in MaxHp, MaxCp

@Reported by: Avanael92

Fix: minor typo on multisell