i9500: clean up init script

Change-Id: I55dbed81c5c57b4ecc72efde0295cedc21c0f496
i9500: Add BT tether services

Change-Id: Ib430674589e1f9638bdd32020438a3c1c1cc5b30
i9500: Remove redundant chown

Change-Id: Id31c601464a583bc0e8bb228f5d8a61e0126fc0c
i9500: start gpsd after boot

* gpsd will create /data/system with the wrong permissions if it starts
  before the directory can be created by the init script. This prevents
  access to /data/system by critical processes.

Change-Id: If010a80c2195114b707f650af6613d712e2a0c10
i9500: Restore /data/system permissions

* gpsd will change the permission on /data/system as part of starting
  up and creating /data/system/gps. Change it back if the permission
  changed.

Change-Id: I519dbdcf32c3008ed7b4790730f8b9c9f911aab2
Merge remote-tracking branch 'cm/cm-11.0' into kitkat-legacy