Complete brand search functionality. Hide search bar by default.
Add search to the models view.
1. The correct cox value is not being returned due to index issues.
2. Currently navigation bar is not getting hidden when returning to the root view.
Correct aperture value used for dog calculation. Add hyperfocal distance value to the main view.
Modify navigation: The navigation controller is now introduced only following the modal segue into the camera brand and model selection.

Correct the coc value resolution on the search display screen.