Same problem here:
nfs-kernel-server : Depends: libtirpc1 but it is not going to be installed
Depends: nfs-common (= 1:1.2.6-4) but it is not going to be installed

If you are using 16 Gb sd card you can change cmdline file as much as you like I doubt it will work for you. First of all the file you downloading from http://www.raspberrypi.org/downloads/ is not a zip file but img file (if you are Mac user). You have to put it on your sd card properly (just openin...