Revert "s2d: dont flag the kcal boost if we're writing it later on anyway"

This reverts commit db825a9174e3bdd03817f5c86f0194b7f0826843.
Revert "s2d: Update kcal to 255/255/255 if we're going down"

This reverts commit 22ca3dae9c267d5178869d916433df326aacec5c.
Revert "s2d: Record original kcal, if it's max, do not update."

This reverts commit 21a914acf25f2dda406233a720269bc1996ddd15.
Revert "s2d: Don't send kcal if we're turning off display, or if we're max."

This reverts commit fab09f93d79c8355380208cf09191c282a7fc6de.
Revert "Turn off display if dim < 0"

This reverts commit 4dd706b45640a72d1a2f20ed119d7d806534b3b9.

Conflicts:
	ramdisk/init.furnace.sh

Change-Id: I8b67c099b2347f79d1bf5481d4fbaf99a5a65f07
Revert "sweep2dim: reduce/raise kcal via sweep2sleep gestures"

This reverts commit b943f9529a4af5795ab261441846624f5b599dd9.

Change-Id: I060ec2c83607c814496f700d47e1e4b6973d1125