04_EAN: Adds new exercise

04_EAN/CMakeLists.txt

04_EAN/Doxyfile.in

04_EAN/cmake/Doxyfile.in

04_EAN/cmake/UseEcos.cmake

04_EAN/cmake/cccc.cmake

04_EAN/cmake/coloroutput.cmake

04_EAN/cmake/compilerwarnings.cmake

04_EAN/cmake/cppcheck.cmake

04_EAN/cmake/doxy.cmake

04_EAN/cmake/emu.cmake

04_EAN/cmake/framac.cmake

04_EAN/cmake/lcov.cmake

04_EAN/cmake/processorcount.cmake

04_EAN/cmake/sanitizer.cmake

04_EAN/ecos/ecos.ecc

04_EAN/ecosenv.sh

04_EAN/emu/BIOS-bochs-latest

04_EAN/emu/fail.sh

04_EAN/emu/findport.pl

04_EAN/emu/gdbinit.in