Revert "disable low_ram by default"

This reverts commit e2d407fb3a6f734011824493e67642b5eab62eae.

Conflicts:

	device.mk
Revert "use KitKat zRAM setting"

This reverts commit 71f6acc63a9272f512b2e040ff82c4d849f32db0.

Conflicts:

	device.mk
	profiles/ramdisk/fstab.mapphone_umts
usb mode set to MTP by default, switch to UMS in notification
overlay clean up #1 (frameworks)

Conflicts:

	overlay/frameworks/base/core/res/res/values/config.xml
overlay clean up #2 (packages)
disable fading marquee
this improves scrolling performance in homescreen etc.

Conflicts:

	overlay/frameworks/base/core/res/res/values/config.xml

Conflicts:

	overlay/frameworks/base/core/res/res/values/config.xml
fix for aosp