Refactor on RedeemViewController

Show button to dismiss QR Scanner view
Refactor error messages for the camera

43-skip-in-app-requests-if-user-can-t-make-payments

See merge request ios/client-library-apple!104

Expiration date information (issue #92 in vpn-ios project)

See merge request ios/client-library-apple!103

Created new method in the AccountInfo model object to transform the expirationDate into a human readable string date

Develop 1.1.3

Remove access qualifier from password read query

Only meaningful in setter, restriction is unnecessary in getter.

Fixes #9

Fall back to default VPN custom configuration

Configurations may be non-empty in database, yet corrupt or
incomplete. In that case, fall back to the custom configuration
found in defaults (if any).

Develop 1.1.2

Update API to PIATunnel 1.1.3

1.1.3 breaks semantic with removal of socketType, no deprecation.

Drop preferredPort, leave it protocol-specific.

Fall back to resolved address

When available.

Partially reverts 4f268512

Support custom servers

Resolve "Lower log level in production builds"

See merge request ios/client-library-apple!101

Lower some useful ones to .info later.

Develop 1.1.1

Add preference to disconnect VPN on sleep