automagic.sh: add a shell script that's executed by updater-script to prevent possible dirty flash issues

the first preemptive fix is to kill all quickboot persistent properties on flash, in case quickboot gets stuck in an undefined state

Change-Id: I2d90f729128b115d8b48237568a697b5724250e6
apn: fix some data issues when using sprint operator numerics.

this fixes issues like
https://jira.cyanogenmod.org/browse/NIGHTLIES-404

requires:
http://review.cyanogenmod.org/#/c/79764/

Change-Id: I595788c3bf529640df16aaa75551bb55b4c0f036
Merge pull request #5 from VanirAOSP/L5

Pull