Move to Gradle/Android Studio
Upgrade targetSdkVersion, android support appcompat-v7 version and gson version
Fix appcompat-v7 version
Improve style
Fix targetSdkVersion in AndroidManifest.xml
Fix "Avoid passing null as the view root (needed to resolve layout parameters on the inflated layout's root element)"
Add Start and End layout values for improve right to left support
Add (partial) Java 7 support
Remove minSdkVersion and targetSdkVersion from AndroidManifest.xml, provide by build.gradle
Fix NPE on delete item