Exif and Video Thumbnail

Read EXIF from images to rotate the thumbnail
Creates thumbnail from video file if no picture exists for the story
Added green background button

Trouble with the orientation and background of buttons,
Impossible to set the DateTime background with the current architecture
Trying to imagine the Story Viewer

Drafting the Story Viewer, imagining that clicking one of the buttons
will either replace the VideoVIew with an ImageView or GoogleMapView or
Audio icon or spectrum view.
Probably need to revert this one to get something that works or work a
lot on it