build with the latest SDK
move the FileUtils in a PictureCache package name
you don't need to obfuscate open source libraries
Add a gradle build project
Android Studio doesn't like libs with no <application> in the manifest
ignore Eclipse project files
add a Gradle build for the sample app
use the latest build tools with Gradle 19.0.2
be more explicit about libs we include, it's safer for the long run
remove download jobs from the thread pool if there's no target for that job anymore