Merge pull request #3 from Neal/master

Add 11A501 support.
make autogen.sh executable
custom boot-args support
Merge pull request #4 from q5/master

file permission fix & command line boot-args support
n90b support
whoops
Fix the MobileSubstrate issue with entitlements, hopefully. (Update opensn0w.conf)
Add 11B511 support.