VID-1815 Check if foreign wiki exists when collecting global usage
VID-1815 Rearranged FilePageController to flow more logically
VID-1815 change method visibility
VID-1815 Move checking logic into ApiService::foreignCall
VID-1815 fix comment
VID-1815 Change tense of comment
VID-1815 Call profileOut
Merge pull request #4719 from Wikia/VID-1815

VID-1815