Content create view service refactoring

Changed the way the user redirection urls are provided by the `contentCreateViewService`. 
like above, by doing that, you make the `publishRedirectionUrl` attribute only configurable by overriding `_getPublishRedirectionUrl` and this won't allow you to configure the redirection in StudioUIBundle...
I told you yesterday to set a default value in this attribute and this default value should be a function (hence why it's important to keep the behavior of `_redirectionUrl`). So you should write something like:

```js
publishRedirectionUrl: {
    value: function () {
        return this.get('app').routeUri('viewLocation', {id: this.get('content').get('resources').MainLocation});
    },
    getter: '_redirectionUrl', // I think you need to repeat that
}
```