Fixes bug #1213264: IE10 inspector scrollbar
Fixes bug #1213264: IE10 inspector scrollbar

Fixed bug #1213264: Overview Inspector has horizontal scroll bar in IE10
Also did a drive-by to fix a breakage in Firefox and some general spacing issues for the constraints confirmation.

R=jeff.pihach
CC=
https://codereview.appspot.com/13145043

mitechie/juju-gui,CanonicalJS/juju-gui,jrwren/juju-gui,jrwren/juju-gui,CanonicalJS/juju-gui,jrwren/juju-gui,bac/juju-gui,CanonicalJS/juju-gui,bac/juju-gui,mitechie/juju-gui,jrwren/juju-gui,bac/juju-gui,mitechie/juju-gui,bac/juju-gui,mitechie/juju-gui