Merge pull request #25 from nseam/master

Travis CI file changes, entity_score module improvements
Merge pull request #26 from nseam/master

Improved entity_score module to support boost per filled field [ADS-53]
Merge branch 'master' of https://github.com/mycognitive/ads_features
Exported missing image type "ads_menu_category_thumbnail" [ADS-1]