gitignore and needed libs
ListPhotosActivity - first working version
ListPhotosActivity - clear cache onResume
Use transformation to reduce thumbnail size
Add ShowPhotoActivity
Play with cache policy
Additional project files
ShowPhotoActivity - remove redundant title
ShowPhoto - remove menu
Add logout, clear tasks when necessary
ListPhotos - reverse order
SplashScreen - prettify and simplify
Create AndroidManifest.xml.sample as a template for API keys