cm: Update Android version in changelog

Change-Id: Ie91ac156dbf724b256d0f97a89d13b77ea673ae3
add SUPERUSER_PACKAGE_PREFIX in prep for switch to new superuser

Change-Id: I0b880a6d0f9cf36c0a8419ec00fc978245adbb6f
Merge "cm: Update Android version in changelog" into cm-10.1
Merge branch 'cm-10.1' of git://github.com/CyanogenMod/android_vendor_cm into cm-10.1