0.96.7 Changed array names in presets init

[Wyqer]

Q	A
Bug fix?	no
New feature?	no
Needs wipe?	no

Description:

Sorted and organized init_presets.sqf. Also renamed many of the created arrays there with adjusting the depending scripts accordingly. Reduces the amount of "array building" in some scripts.

Content:

• [x] Renamed arrays in init_presets.sqf
• [x] Changed sorting in init_presets.sqf
• [x] Added comments to explain purpose of arrays

Successfully tested on:

• [ ] Local MP
• [ ] Dedicated MP