persistant expanded notification with play/pause/stop buttons
Replaced ImageLoader and DiskCache with Picasso

Implemented Picasso Downloaders

Replaced ImageLoader and DiskCache with Picasso

Removed ImageLoader, DiskCache code
add settings options for  persistent and expanded notifications
Fixed NullPointerException in PicassoProvider
Use requestWindowFeature instead of support version

supportRequestWindowFeature throws a NullpointerException in some cases

closes #479
Increase maxLines in FeedItemDialog

closes #448
Abandon audio focus when a phone call comes in

Otherwise playback continues directly after the end of the call
Fixed typo
Prepared release of next version
disable expanded notification option when unsupported & provide informative toast
Acquire wake lock when playing media
Acquire wifi lock if media file is being streamed
Removed FlattrConfig

API credentials have been moved into gradle.properties
Prevent flattr login if API keys are missing

closes #474
Merge branch 'issue-330' into develop
Pulled translations
Merge branch 'develop'
Use feed image if media file has no image

closes #484
Removed transition animation in audioplayer

Caused a white box to appear in the bottom area of the screen (#484)
Call fit() instead of resize()