Fix proguard with roboguice
Add sample option. Related to #58
Merge pull request #63 from jeremiemartinez/proguard_fix

Fix proguard with roboguice
update android-maven-plugin to 3.5.1
Upgrade AA to 2.7.1
Merge pull request #65 from jeremiemartinez/upgrade_aa

Upgrade AA to 2.7.1