Fix Icon size in DocumentsUI

For XXHDPI devices if you go into Settings/Display and Notification light and select a custom value (application) you will see a GIANT icon.

Before - http://i.imgur.com/DRkua3T.png

After - http://i.imgur.com/f7xW4tY.png

Change-Id: Ia355bddc515906134c8b3b4e67d381aaacceec78
new menu overflow icons

more very subtle improvements to the system theme. drops of water
make an ocean. Perhaps next i'll make the preference drawer icon match

Change-Id: Ie8962063f0249c628021451e60d77dc215b2bcb6
systemui: add brightness slider 2/2

commit d1b590bd24b7e8b7f443f44daedaafc14df195db
Author: PrimeDirective <activethrasher00@gmail.com>
Date:   Sun Sep 1 00:56:25 2013 -0400

    fixup statusbar brightness slider

    now is a singleton to reduce leakage and observer weight also

    Change-Id: I55fc9a2e1de81d38147788d3fe90d410ee9ffd03

commit 683492a9baa55c78967ce9e009f06b90c0ad30e7
Author: Roman Birg <romanbirg@gmail.com>
Date:   Wed Dec 19 23:08:50 2012 -0600

    SystemUI: add statusbar slider preference

    Change-Id: Ibad11cd0495aa5fc2aa31e6f6c1e1cf85b8a582b
    Signed-off-by: Roman Birg <romanbirg@gmail.com>

ps2: make whitespace LESS SHITTY
ps3: add a missing handler... g2g MY ASS

Change-Id: I9744fcfd4452f73e752211945f78308e57a1604a
Revert "Revert "base: quicksettings: allow flip animation on clicking a tile (1/2)""

This reverts commit 650d8236a76144be047b3c56958fd9cc5ba4f552.
Revert "Revert "Revert "base: quicksettings: allow flip animation on clicking a tile (1/2)"""

This reverts commit e9c30c47e9ca97bf454386c669899a3a3d65413c.