Maintenance release support IPv6

Release internal code that refers to Ipv4 so it can work with other protocols

Maintenance release

Support Swift 3.1

APNS and Swift 3 support

• Verify send push via APNS
• Swift 3 support
• many bug fixes

Nexmo Verify iOS SDK v1.0.3

iOS SDK V1.0 update 3.

Changes:

• Removed Country.swift entirely from example apps as in some particular cases,
  it was still being compiled by Xcode.
• Added missing images from example apps.

Nexmo Verify iOS SDK v1.0.2

iOS SDK V1.0 update 2.

Changes:

• Fixed slow compilation problems. Swift seems to have problems dealing
  with large arrays/dictionaries of objects. This has been moved to an
  external plist file.

Nexmo Verify iOS SDK v1.0.1

Changes:

• Fixed bug which prevented standalone verification pin code checks
  working.
• Moved configuration from within Config.swift to a plist file.
• Added Standalone verification the VerifyIosSdk_Example_PushEnabled
  example app.

Nexmo Verify iOS SDK v1.0

iOS SDK V1.0.

Changes:

• Added standalone verification
• Added Automatic verification with UI (managed verification)
• Updated README.md with location of new developer docs.

0.2

Updated dead hyperlink to code base in README.md