Bot functionality removed
Removed unused file 'maxskill.h'
Removed unused file 'basic_functions.h'
Removed unused file 'skills.h'
Removed unused file 'message.h'
Revert "Removed unused file 'message.h'"

This reverts commit d042a9d57275f4f6bb6ab1c280fbc9c48424dae7.
Revert "Revert "Removed unused file 'message.h'""

This reverts commit 88b7276e470ff9d917dbe4db9641491c55c3407b.
Minor clean up for HateList
Code QA/Refactoring in hate_list
GetItemStat() fix.
GetAugmentIDAt() Fix.
Client::DeleteItemInInventory() And Client::SummonItem() fix.
Added Combat:BackstabBonus rule SQL file.
CombatBonus rule.
A lot of changes, Client::NukeItem(), Client::DeleteItemInInventory(), Archery damage from uint16 to uint32, a lot of "prettifying" of math, code, and comments.
Modified column names in player_corpses and player_corpses_backups to reflect source changes.
A lot of corpse changes.
Decay Timer stuff.
Avoidance Cap.
meele to melee in NPCs. Fixed insert queries for rule_values, added ruleset_id.