Make the config keys more prominent.
Make the config keys more prominent.

- Help distinguish the key from the data type by not tweaking their font
weights.

R=
CC=
https://codereview.appspot.com/11406043

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