missing cherry picks 3.3.5a to 4.3.4

anyone bored and with c++ knownledge can port

https://github.com/TrinityCore/TrinityCore/commit/2335b9de1a46a409c714a1dc89cbd0565545e70e < Core/AI: segregate GameObject ReportUse from normal Use (lock open/normal click)
https://github.com/TrinityCore/TrinityCore/commit/e2a1ccd118d129b96e09ff1a15ed0adb1d4a3897 < Combat/Threat rewrite - prep & refactor
https://github.com/TrinityCore/TrinityCore/commit/7fff83d67526efff63867d41b9e036a19a9287b3 < Core/Movement: waypoint movement
https://github.com/TrinityCore/TrinityCore/commit/d507a7e3388382960108b24143da48e5f912b4a7 < CastSpell unclusterfucking (that's a word now)
https://github.com/TrinityCore/TrinityCore/commit/790a253893f122693d7351aab2f5d91cf3a4fb37 < Core/Spells: Fixed SPELL_AURA_MOD_INCREASE_ENERGY_PERCENT

to 4.3.4? :)