1.15.0

• Switch default packaging to AAR

• OkHttp Builder Exposed for REST and AWS thanks to @Jawnnypoo (#628)

Parse.Configuration config = new Parse.Configuration.Builder(context)
      .clientBuilder(new OkHttpClient.Builder())
      .build();

• Update Parse links thanks to @mmimeault (#625)

See 1.14.1...1.15.0 for full changelog