Fix compcache and cleanup init script
Merged with: https://github.com/CyanogenMod/android_device_sony_montblanc-common/commit/10ef29d8d00dec8f2a14f231d370722ce8f1e851
and https://github.com/CyanogenMod/android_device_sony_montblanc-common/commit/1afdc9e9e08ebf52fab9d60276ebcca9250055fd