expiresAt + better motion on card swipe
Remove the Rover.plist file from example app
Remove Rona image.
By default connect to SuperMart on production server
Can now save user properties synchronously.
Minor code cleanup
Minor tweaks/fixes
Remove debug log.
Updated documentation
getCards was confusing.
Merge branch 'feature/sdk-cleanup' into develop
Auto present view controller by default.
Cleaned up project structure to pass lint
Merge branch 'release/v0.21.0'