changed value of siteName returned by getWikiVariables; added simple unit test
merged origin/dev to HG-307 and resolved conflict in MercuryApi.class.php
CR changes: renamed the method
merged dev
merged origin/dev and resolved conflict in MercuryApi.class.php
merged dev and manually resolved conflict in MercuryApi.class.php
merged origin/dev and manually resolved conflict in MercuryApi.class.php
Merge pull request #5711 from Wikia/HG-307

HG-307 Use MediaWiki mechanism to get the Wiki title