Apps: Add blacklist interface [2/2]
Now with 100% more hidden checkboxes

@cristianomatos: Include Halo in new blacklist button and some code adjustment and clean-up related

Change-Id: I8894e00a81ed84583b7bf0be8795c25c857161af
Signed-off-by: Evan Anderson <evan@thelinuxman.us>
Revert "Halo: allow choose notifications on floating window or not (2/2)"

This reverts commit 062d13b5b3f19f39628717e73e2a53f158f0a30c.