PLA-735 Hub filtering for cross wiki api
PLA-735 Fixed swagger docs
PLA-1162 Fixed Docs and hub checking
Merge pull request #2780 from Wikia/PLA-1162

PLA-1162 Fixed Docs and hub checking
PLA-735 Fixed Docs and hub checking
PLA-735 Multiple hubs search
PLA-735/PLA-1166 Multiple hubs search
PLA-735/PLA-1166 Multiple hubs search - unit tests
PLA-735/PLA-1166 Fixed docs
PLA-735/PLA-1178 Description
Merge branch 'PLA-735' into dev

Conflicts:
	extensions/wikia/Search/classes/QueryService/Select/Dismax/InterWiki.php
	extensions/wikia/Search/classes/Test/QueryService/Select/Dismax/InterWikiTest.php
Merge branch 'PLA-735' into dev

Conflicts:
	extensions/wikia/Search/classes/QueryService/Select/Dismax/InterWiki.php
	extensions/wikia/Search/classes/Test/QueryService/Select/Dismax/InterWikiTest.php

Also fixed Articles swagger and added hub filtering to CrossWiki?expand=true
Merge pull request #2819 from Wikia/PLA-735-merged

Pla 735 merged