Several optimizations

* BUSMASTER.exe.manifest: File beautified
* stdafx.h: WINVER declarations removed
* CMakeLists.txt: Unnecessary linker declarations removed (e.g. /STACK:8000000)
* CMakeLists.txt: Unnecessary optimization hinderers removed (e.g. remove_definitions)

Signed-off-by: Tobias Lorenz <tobias.lorenz@etas.com>