Fix #1067 Corrections for simple blog tutorial
Fix #1067 Corrections for simple blog tutorial

- Add isset/is_array check to view
- Fix link to Builder docs
- Change pose_model to post_model

PeterRock/Ci-Bonfire3,PeterRock/Ci-Bonfire3,kelaskakap/cms-api-unggun,kelaskakap/cms-api-unggun,PeterRock/Ci-Bonfire3,kelaskakap/cms-api-unggun