EZS-26 - Implement redirection after a user finishes editing the content in the Content Edit form

https://jira.ez.no/browse/EZS-26

**Implemented:**
* [x] Custom redirection on publish action,
* [x] Custom redirection on close action,
* [x] Custom redirection on discard action,
* [x] Method to set next view service params when switching active view services.
* [x] JS unit tests
Should be something like:
```js
/**
 * Configures the next view services, it calls `_setNextViewServiceParameters`
 * and takes the view service plugins into account.
 *
 * **Do not override this method unless you know what you are doing**
 * You'll most likely want to implement the `_setNextViewServiceParameters`
 * method instead or write a view service plugin.
 *
 * @method setNextViewServiceParameters
 * @protected
 * @param {eZ.ViewService} service the new active view service
 * @return {eZ.ViewService} the new view service
 */
```