3.3.3

Prevent login filtering Discovery. (#130)
Remove LensType protocol. (#129)
Fix validation errors in .swiftlint.yml. (#127)
Filter and settings copy. (#124)
Added Xcode 8.3 support. (#123)
Clear first comment fix. (#122)
Swift 3 playgrounds migration. (#121)
Fix URL in README. (#120)
Conform to new swiftlint rules. (#119)
Test co-location. (#117)
More email deep linking. (#116)
Fixed color for title in discovery card. (#115)