squashed commit of signal icon fixes from Winner00

commit 5637045f4c618bf398715ce70ad82394ba2e7061
Author: winner00 <TOverturf@gmail.com>
Date:   Wed Dec 18 16:29:45 2013 -0700

    Fix last signal bar being a pixel to high.

    Thanks Adam!

    Change-Id: Ic22c91c0f381d64e0f6cbb8dd341e919b9762047

commit c95caf95fc05315e396545a53ae168a0cd9954b4
Author: PrimeDirective <activethrasher00@gmail.com>
Date:   Tue Dec 31 16:18:37 2013 -0500

    adjust navbar size

    since the DT days on 4.0 the favored size has 36dp on phones.  Lets
    try drop down to 42 from 48 and split the difference

    Change-Id: I6cdadcacbf2fa9a50c3ac68b30e56e4e5deda7da

Change-Id: I43995d901ab770377ac97dc0482d9d786ff2af84