added WikiaHubsApiController
moved models from SpecialMarketingToolbox
moved autoloading of hubs models from MarketingToolbox extension to DefaultSettings.php
removed models copied to includes/wikia/api/models/WikiaHubs
first version of body of WikiaHubsApiController and one small method in MarketingToolboxModel
Merge branch 'consumer-sprint27-bugid-95788' of github.com:Wikia/app into bugid-95788
first try of pulling data from Marketing Toolbox