[12569] Implement spell effects 62042, 62278 and 64767

Also limit the targets for 62577 and 62603
[12570] CMake: Create config.h for windows only when needed

Also, don't use a prepared file but instead just generate it.

This has no effect for Visual Studio, as we still have our hack in place
in the ACE sources which directly include config-win32.h
Merge pull request #3 from cmangos/master

Merge pull request #3