First take at testing the Realm Browser (just a single test for now)
Merge branch 'master' into jp-test-browser

* master:
  update Swift examples for Xcode 6.1.1
changed "OK" to "Open" and removed header guard
Merge pull request #1174 from realm/jp-test-browser

Test the Realm Browser
Add support for encrypted Realms
Make the Swift example a little nicer
Mention that encryption doesn't work with lldb attached
Add setEncryptionKey:forRealmsAtPath:
Bump core version to one with encryption support