Demo application enriched with share and device status showcases && Added Google Play Services && Updated library min sdk requirement to API lvl 9 for Google Play Services compability
Imported camera utilities from ancient documents
Enhanced share activity with flickr magic
OutOfTopic, fixed share activity pager index restore issue
Added background thread executor accessor for easier concurrency implementation && enriched demo app with adding RxJava concepts to FlickrService
Added javadoc comments for the new APIs