* Added Basic Pic Of the Day App Widget
* Added Java Lib for XML to JSON
* Added missing json library from xml to json
* Undone formatting
* Consolidate the networking libraries - drop volley in favor of OkHttp
* Extracted a few networking related items into a new Dagger module and finished the process of mocking the main component for tests.
* Refactoring to extract GpsCategoryModel and ensure single-responsibility-principle is maintained in CategoryApi.
* Updated PicOfDayAppWidget class to parse HTML
* fixed featured image back bug
* Localisation updates from https://translatewiki.net.
* Javadocs added
* Add option to set image as wallpaper (#1535)
* Add option to set image as wallpaper
* Added java docs
* Toast message on setting the wallpaper successfully
* Localisation updates from https://translatewiki.net.
* Add dependencies to com.android.support.test.rules and runner
Needed for ActivityTestRule used in SettingsActivityTest
* Added Basic Pic Of the Day App Widget
* Added Java Lib for XML to JSON
* Added missing json library from xml to json
* Undone formatting
* Updated PicOfDayAppWidget class to parse HTML
