Merge branch 'master' into ez-cocoapods-osx

* master:
  Updated spacing
  Added back SimpleExample's AppDelegate, which was mistakenly overwritten with the content of EncryptionExample in this commit: https://github.com/realm/realm-cocoa/commit/e4ac3011452b5f30b35d138694ae6d809cd6e514
will keep docs at realm.io/docs/ios/** for this release.
Merge branch 'ez-cocoapods-osx'

* ez-cocoapods-osx:
  will keep docs at realm.io/docs/ios/** for this release.