Rename CppDevTools to AyonCppSTD

[Lypsolon]

• Decide if it should be AyonCppSTD or AyonCppLib (STD is in theory not correct and might clash)
• Rename the Repo
• Fix all the Sub-module Pointers.

[BigRoy]

@tadeas-hejnic please validate if still relevant - if not, close please.