PLA-984 api search result key can be passed as param
Merge branch 'PLA-984' into PLA-985
PLA-984 fixed namespaces filtering + code elegance
Merge branch 'PLA-984' into PLA-985
PLA-984 code elegance
PLA-984 code elegance
Merge branch 'PLA-984' into PLA-985
PLA-985 fixed params warnings
PLA-985 code elegance
PLA-984 moved solr query to another function
Merge branch 'PLA-984' into PLA-985

Conflicts:
	includes/wikia/api/ArticlesApiController.class.php
PLA-984 / PLA-985 moved solr query to another function