staging: improve RAM management
input: implement global SwipeBack
zram & zsmalloc: update to kk_3.5_rb1.19 version

Kernel HEAD: 5e18edfe83a7be6a17ec9ad424935a8ba6ca9315

Change-Id: Icb5167e3d8d4149ad71282d17a9318c15c3879e3
zram & zsmalloc: 2.6.35 build fixes for kk_3.5_rb1.19 version

Change-Id: Id0f0e807427a5f9b24adeffb2d195414ea93eeee
staging: foreground app gets higher priority
kernel: Disable printk
tass: implement branch prediction optimization for proprietary drivers