CologneBlue rewrite: adjust the quickbar contents to 2012

CologneBlue rewrite: adjust the quickbar contents to 2012

* add the toolbox
* remove "Special pages" section; NewPages, ListFiles and Statistics need
  not be linked on every page, Upload and SpecialPages are part of
  toolbox, $wgSiteSupportPage is softly deprecated
* remove "Context" section; WhatLinksHere and RecentChangesLinked are part
  of toolbox, history moved to "This page", Emailuser and Contribs are
  part of the toolbox
* remove link to new section creation on talk page from "This page"

Change-Id: If825dd4b2709148977eaea6aeb025d6d9017197b