Bump 7.0.0

Cleanup of return for single line statements

Replacing RelativeFormatter

Removed RelativeFormatter class

Merge branch 'release/6.3.1'

Merge branch 'master' into develop

Bump to 6.3.1. podspec

fix #763: set minimum deployment target to iOS 9 and tvOS 9 for Carthage

Update README.md

Update README.md

Update Index.md

Update Index.md

Merge tag '6.3.0' into develop

Merge branch 'release/6.3.0'

Updated SwiftLogo