init.rc: set sched_mc_power_savings 2
Add Lean zram script
- The default congestion algorithm changed from westwood to cubic: remove line enabling tcp timestamps
  - cubic does not need tcp timestamps
  - this means we no longer add 12 bytes to the TCP header
Merge remote-tracking branch 'upstream/jb-initram-4.2.2-wifi3.4' into jb-initram-4.2.2-wifi3.4

Conflicts:
	ramdisk-4.2/init.rc
- Re-arrange the lines to limit device unavailability.
- Use permission 666 instead of 644 since both urandom
  and random should accept input as well as provide output.
- The default congestion algorithm changed from westwood to cubic: remove line enabling tcp timestamps
  - cubic does not need tcp timestamps
  - this means we no longer add 12 bytes to the TCP header
- Re-arrange the lines to limit device unavailability.
  - Use permission 666 instead of 644 since both urandom
    and random should accept input as well as provide output.
Merge pull request #8 from lioux/jb-initram-4.2.2-wifi3.4

Jb initram 4.2.2 wifi3.4