Option to show status bar in expanded desktop mode (2/2)

This commit allows the user to keep the status bar visible during expanded desktop mode.

Patch-set 1: clarify variable names.

Change-Id: Icb20971f8f86cb2ecf90f6226c1d5d18a60f5c84
Signed-off-by: Michael A. Alcorn <airalcorn2@gmail.com>
Make system layout fill the window properly on expanded desktop mode

This commit fixes e.g. the gap on the bottom of the lock screen
or the gap on the right side of status bar on landscape mode.

Patch set 2  : Remove whitespace issues
Patch set 3  : Code cleanup
Patch set 4  : Damn whitespace errors

Change-Id: Ic8a6b748f94d7dcc883201579d199898713c90fd
policy: always use hardware acceleration for keyguard

Without hardware acceleration, keyguard widget will appear aliased
and choppy (especially at the end of the scroll).

Change-Id: I1bfb6fbcba6306edf366e8ea752d6919936c3ab6
Keyguard: Reduce font size of clock in status keyguard (sw720dp) (portrait)

Add Portrait mode to:
http://review.cyanogenmod.org/#/c/31086

Patchset 2: Updated copyright
            Rebased

Change-Id: I9466a0c643d0c74ded37fe12b615dde6c014c901
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>