Update ClockworkServiceProvider.php

Added the call to the router after method since it was removed from 5 from application. The [Application method](https://github.com/laravel/framework/blob/4.2/src/Illuminate/Foundation/Application.php#L520) only referenced the router method, so no adverse effects should come from this.
Update LaravelDataSource.php
Merge pull request #69 from Garbee/master

Update ClockworkServiceProvider.php