Testing with Dagger 2, Espresso 2 and Mockito.

Blog posts:

• http://blog.sqisland.com/2015/04/dagger-2-espresso-2-mockito.html
• http://blog.sqisland.com/2015/12/mock-application-in-espresso.html
• http://blog.sqisland.com/2015/04/espresso-21-activitytestrule.html