EZP-22744 Update default zoom factor of the Gmap

## Link ##
https://jira.ez.no/browse/EZP-22744
## Description ##
The goal here is to update the default zoom factor of the Gmap in the place view (demoBundle).

![zoom](https://cloud.githubusercontent.com/assets/5558661/2904300/6fe5e8de-d5fa-11e3-88f1-9998e8c92178.png)