TXT records for google verification

add TXT records for google site verification for
google webmaster tools for:

mediawiki.org
wikibooks.org
wikidata.org
wikimedia.org
wikinews.org
wikiquote.org
wikisource.org
wikiversity.org
wiktionary.org

Change-Id: Ic933e219f15c1cf3ec63233d22447145ddd18aea
RT: 8068