Settings: Custom Tiles (2/2)

PS1: Reinvent logic from initial
	implementation
PS3: Unlock/Collapse Shade options
	and clean-up.
PS4: Remove unlock option.
	Too complex for average use.
PS5: Snip >100 line length =/
PS6: Fix potential NPE on rotation.
	Add scrollview to layout
	to allow scrolling if dialog
	is too large for screen
	(landscape)
PS7: Rebase on Fix tile index
PS9: Add reset buttons

Change-Id: I06d773aa87bd6c1b88077ad54333a58d03f783c8

Patchset: 9
https://gerrit.slimroms.net/#/c/1335/