CMake: A silly hack to show all headers in QtCreator

Removed the "init.h" include since a) it wasn't needed, and b) it
interfered with our hack. Additionally, our astyle hook forced a couple
of style changes.
Revert "CMake: Don't warn about variable size arrays"

This reverts commit 24c0394196b01b37ba30d52bbbe8cadf9f6a33cf.