Mangos 9072 - 9091
Implement periodic dummy aura for spells 50792, 59859, 50801 and
59858
Implement hack way detection for cave area 571.
Fix typo in 'server shutdown' description.
Fixed direction of move for SPELL_EFFECT_PLAYER_PULL
Another SPELL_EFFECT_PLAYER_PULL problem fix.

If base points porvided then this is _max_ pull distance, not direct
distance.
Fixes for pet work in case mounted owner.

* No unsummon temporary pet at non-fly mounting.
* Implement client side disable pet's action bar for mountted owner time

Signed-off-by: VladimirMangos <[email protected]>

* implement server side action disabled case (action bar modify, aggro
reaction and autocast)
Allow stacking healing buffs from spell 33763 and 48438, and ranks.
Less strict check related to TARGET_SCRIPT_COORDINATES



Fixes and enables ~20 more summon related spells. Some minor cleanup in
related code
Add custom/preset unMaxTargets for a few spells where info is not
present

Thanks to kamillys and KAPATEJIb for original code and research!
Fixed DoT damage from 12834 and ranks.
Correct some spells unMaxTarget (ref [9080]) to depend on map
difficulty
Rename maps naming used in spell targeting code for easier
readability
Implement periodic dummy aura for spell 50789 and 59860
Implement periodic dummy aura for spell 50824
Limit maxTargets for spell 33711 and 38794

Also remove not strict required difficulty check for some spells and add
lost comment from [9085]
Fixes in pet unsummons

* Not unsummon warlock pets at logout.
* Prevent overwrite current saved pet at save secondary pet (with
temporary unsummoned first).
This possible at arena for example.
* Not fixed: in char list at login pet don't must be show with character
if character saved at mount in game.
Not critical and maybe not need fix as feature
Prevent unsummon permanent pets at arenas.
Check explicit target correctness by all effect target modes.

All effect target modes start from client provided target data
so all its must be used for checking explicit target modes.
For example exist spells that have as first effect SELF non-explicit
target mode.
but in same time negative to explicit target.

Signed-off-by: VladimirMangos <[email protected]>

Also add caching IsHostileTo/IsFriendlyTo for avoid recall this not fast
functions.
Implement tick counting in periodic auras.

This can be used for some tick number dependent aura effects.
Also in some cases impossible claculate tickes count pass,
for example for infinity duration auras.
Add max targets limit for spell 34861 and ranks.
Also implement glyph 42396 work for referenced spells.


YTDB
+ All fixes from forum
+ spawn
+ quest scripts
+ mob's gossip menues
+ fix "item_template"
+ fix "quest_template"