Added RoW block I/O scheduler.

Conflicts:
	block/row-iosched.c
Added Color Control version 4.

Conflicts:
	drivers/video/omap2/displays/panel-s6e8aa0.c
Revert "[PATCHv2 1/2] sched: Folding nohz load accounting more accurate"

This reverts commit 19fe146f9b0df29f7addf4e219ec394c32a9d485.
Revert "Patch Final: sched: Folding nohz load accounting more accurate! + GOVS"

This reverts commit 9c84e612b455c6ec59d42db09894b6718d780207.