Robotium -> Espresso
Merge branch '00_start' into 01_dagger

Conflicts:
	app/app.iml
	app/build.gradle
	app/src/androidTest/java/it/cosenonjaviste/testableandroidapps/MainActivityTest.java
Fix dagger object graph creator in espresso tests
Merge branch '01_dagger' into 02_welcome_dialog_manager_tests

Conflicts:
	app/src/androidTest/java/it/cosenonjaviste/testableandroidapps/MainActivityTest.java
Fix espresso tests
Merge branch '02_welcome_dialog_manager_tests' into 03_githubservice
Fix espresso tests