VE-1497: Allow for case insensitive article name match

https://wikia-inc.atlassian.net/browse/VE-1433
https://wikia-inc.atlassian.net/browse/VE-1497
VE-1497: Renamed methods so their names are more descriptive
Merge pull request #4885 from Wikia/VE-1497

VE-1497: Allow for case insensitive article name match