Adjust random movement wait time and implement variable wait times
[ai-0.36-80] AhBot.ItemSellMinInterval, AhBot.ItemSellMaxInterval, AhBot.ItemBuyMinInterval, AhBot.ItemBuyMaxInterval parameters
[ai-0.36-81] bot trade improvements
Core/SAI: changed multiple validation checks
Core:/SAI: Added better error log output in 0a897616dae34a26af4be516f25cc3c916905340
DB/Misc: Convert Schematic: Field Repair Bot 74A to db

By Killyana, closes  #13314
Merge pull request #13307 from beach-creature/master

Adjust random movement wait time and implement variable wait times
DB/SAI: Make several credit spell casts working (broken due to wrong target)
Add new line at end of file.
Scripts/GO: Remove go_field_repair_bot_74A

Replaced by SAI in c05a4189e29f52e648103f07859f8b3bcf8e
DB/Creature: Brazie Gatz

By Foldy, updates #13237
DB/Quest: A Visit to the Doctor

Closes #9986
DB/Text: Added creature texts to Karazhan NPCs
DB/Creature: Fix Brazie Gatz

By Exodius, closes #13237
Merge branch 'master' of https://github.com/TrinityCore/TrinityCore into ghbb
Merge branch 'trinity-wotlk-ai' of https://github.com/ike3/mangosbot into ghbb