Updated mediawiki/skins
Project: mediawiki/skins/BlueSky  5c325299d728625233b81d15b056f35d8f7b66e7

Design fixes and tweaks, especially for headers and some minor color changes.

HT Isarra.

Change-Id: Ib7ba91bede2ff9651c9bd2a8bedfcb6cb69a9a04