Can now download and save. Notifies service via listener when download is complete
Added preferences
Merge branch 'master' of https://github.com/chrisjluc/Nibbble into dev
start class from settings
Uses wallpaper service to display changing wallpapers (should've of used in the first place)
gets photos from followings now, refactored
Images centred and resized
Refactoring, code better handles when user chooses to set wallpaper again
refactor
fixing configuration
added stop button
stop changing pictures and doesn't get new images when you press set wall paper
Fixed more bugs added error checking
Refactored code, easier readability and better handling exception
Merge branch 'master' into dev