* default is enabled (=> add --without-freedos to disable)
* also update the release process as a result
* also update version to rufus next
* also fixed FreeDOS embedded files lost when RC is edited in Visual Studio
* allows better integration with Clang
* use ./autogen.sh to generate compilation scripts
* old Makefile renamed to mf so that make -f mf can still be invoked
* also fixed one Clang warning