drop lowmemorykiller minfree tunable

Change-Id: Ib30273c5c5f4d91e5c1473d935583ae297b21e6d
update to int2ext v2

-Mounts /sd-ext to /data
-Leaves /data/data on internal for speed
-Works with EXT 2/3/4 filesystems
-ZipAligns /data/app on every boot
-No symlinks
-Supports SWAP2INT

Change-Id: I4eaba20e8eac9ab979dd1c487bf82ac7561ec08a