PLA-984 fixed namespaces filtering + code elegance
PLA-984 code elegance
PLA-984 code elegance
PLA-984 moved solr query to another function
PLA-984 removed debug
PLA-984 removed unnecessary files
PLA-984 changed output to array
Merge branch 'PLA-984' into PLA-1004

Conflicts:
	includes/wikia/api/ArticlesApiController.class.php
PLA-1004 restore merges changes