Use null() in pointers' initialization
Change configuration scripts for ppm: do not use FC variables if --enable-mpi is set
Update ppm/Makefile, deleted ppm/distfiles/libppm-1.1.1.tar.gz, we use
an unpacked version now in MCF/ppm/distfiles/libppm-1.1.1/
Do not build sdl and punto by default
Switch to a default intel compiler on supermuc
Add transfer.sh: it copy files from supermuc to kana