jquery.uls renamed settings-block class to uls-settings-block.
Similarly icon-close to uls-icon-close
Change-Id: I39005ef2425c01b8623bf9df6d75c1e27f1c5bda
This does not have much effect on the gzipped payload, but it still
makes the modules look big and (I assume) take space in the local
storage.
This prefix is not used by current versions of browsers, so the only
change is that some users with old browsers get bitmap images instead
of vector images.
Instances where -moz-linear-gradient is used with colors were left in,
as were the instances in upstream libs.
Change-Id: I1515c53955467eb21c8ed70e46aecc61ab4718c2
