Fixed the warning about: Retina 4-inch Support. Applications using Launch Screen Files and targeting iOS 7.1 and earlier need to also include a Launch Image in an Asset Catalog.
Source: http://stackoverflow.com/questions/26881474/xcode-6-1-warning-about-launch-image-in-asset-catalog
Merge pull request #46 from zsweedyk/feature-fixWarnings

Fixed the warning