Updated mediawiki/skins
Project: mediawiki/skins/BlueSky  7e4a22dc3a710b5ed540206eed7538416f7f10ce

* Stylized CSS files
** Removed end-of-line (EOL) whitespace
** Changed four spaces to one tab for indentation
** Copied the following images from wikiHow's /skins/WikiHow/images/
folder over:
*** bkg_error_bottom.png
*** bkg_error_top.png
*** icon_help.jpg
*** search_icons.png
** Applied ResourceLoader /* @embed */ comments
** Removed some commented-out CSS

Change-Id: I4557e3663dcaa0b5d52a9c849499b4b27000d2f4