QuickSettings: allow customization of tiles per row (1/2)

based on code from aokp's sethyx

Signed-off-by: scotthartbti <scott.hart.bti@gmail.com>

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java

Change-Id: I45eb9cbbd0e978ef89d741d2a0843bc3ecdf9f00

Conflicts:
	packages/SystemUI/res/values/styles.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsContainerView.java