Added option to specify a kernel conf
Added a kernel conf in /conf which includes enc, pf and the proc file system
Changed the location of the /mnt to a subdirectory of /mnt to avoid obscuring other mounts under /mnt
Update README.md
/mnt is now /mnt/pi to avoid obscuring other mounts in /mnt
added -p to mkdir in case dir exists
renamed the kernel conf
wifi support almost working
Merge pull request #2 from teverett/master

some minor updates