zram & qcache & zsmalloc: update to LNX.LA.3.5.1-00710-8x26.0

Change-Id: Icb5167e3d8d4149ad71282d17a9318c15c3879e3
Enable Tun.ko

Change-Id: Iee29e86841f07b28f4cc58b71b0d7e97e5181051
Build TUN into kernel

Seems that OpenVPN doesn't work with tun.ko module on 4.4.2.

Change-Id: I665316c13057df03d8f626d050b3abfffde7b3c9
Base kernel config by google:
http://source.android.com/devices/tech/kernel.html

This also fixes the VPN that depends on PPP(point-to-point protocol)

I have just tested this VPN and it works:
http://superfreevpn.com/

Change-Id: I9887a88c047e058fc60e6bfb829e72f6c6e61834