Add Android Studio and Gradle generated files to .gitignore.
Remove project.properties
Add build.gradle and change to default Gradle project structure.
Add v7 appcompat library to replace ActionBarSherlock.
Replace SherlockActivities with ActionBarActivities;
Update minSdk to 8;
Comment code related to MenuDrawer to make the code compile and run.
Replace MenuDrawer with NavigationDrawer.
Finished implementing Manifesto Zero