DB/Quests: fix The Scarlet Oracle, Demetria (Closes #7773) and The Call to Command quest chain.

https://github.com/TrinityCore/TrinityCore/commit/64115461fad8fbd71db254199c70a024fadb9de8
Core/SmartAI: add SMART_ACTION_SET_HEALTH_REGEN (102).

https://github.com/TrinityCore/TrinityCore/commit/2e5e8331f386c37ac06714a44a6d82f83361b34a
Core/SmartAI: fix SMART_ACTION_SET_FLY. was backwards :P

https://github.com/TrinityCore/TrinityCore/commit/cc86f567abc8c831aec5206cd398ab32f4eab387
Project: Added ToDo file & Last TrinityCore Update commit.

- This is too keep track on what the last commit was added.