Add gitignore file
Add newline to end of AndroidManifest
Add legacy menu button for access to settings on Android 4.0 and later

More info:
http://android-developers.blogspot.com.au/2012/01/say-goodbye-to-menu-button.html
Merge pull request #1 from xenris/master

A fix to make the legacy menu button show up on Android 4.0 and later (plus a couple other things)