[SDK] [iOS] Release v1.2.1.0

ios
announcement
sdk

#1

GitHub release
Integration guide

Changelog:

  • accessToken getter
  • getInstallationCustomProperties
  • Fixed user switching
  • Properly initialize setNotificationEnabled: from pre-WonderPush application versions
  • Better setNotificationEnabled: documentation
  • Refresh core properties and device token if access token changes
  • Attach notification info to trackEvent actions
  • Fix trackEvent method signature
  • More type checks - fixes #2
  • Remove a few HTTP requests
  • Upgrade to AFNetworking 3.1.0 and DTFoundation 1.7.10