update scripts to support kitkat

Change-Id: I6471d6a9c2c2e441513535b46419d8879f72fdd5
adapt script to kitkat

Change-Id: I379182a11bec7448c694df252fe51ee79f1344d2
support overlay smali globally

Change-Id: I1b84d84c819edc534945588ce6dae762bfa3ee77
update tools

Change-Id: I6522851dbf90e7e35ffc6e0f28c085bf677a8969
remove tmp files

Change-Id: I29709fe60dec30425eed498eeec0838ab8358de4
add MiuiForum

Change-Id: I11574ad76cc94b48236cad93b436b5acd73b23f6
update tools for build ota

Change-Id: I1ee3e1550a771df01f78d1f4f145a190ac8129c2
redirect relink in updater-script

Change-Id: Ib817dc1da33b301490570c78bc0e2f203d208e5b
add TrafficControl to apkcerts.txt

Change-Id: I430158039cc30ef0f44b252055f62d15709dbd68
Support set selinux permissions

Change-Id: I9ae513de947da96ce368e5101ade3527ab6ebe04