Added facade interface DecivePictureControl and it's implementation in Android, on Desktop it's a dummy.
CHanged clear color to translucent. It's necessary if we want to see camera's preview.
Added headers to some files.
Added necessary features/permissions in Editor's AndroidManifest.xml.
Automatic formatting.
Fixed  bug that wouldn't open a project in Android.
Fixed a bug with the clear color while taking a picture.
Fixed a bug while taking a picture.
Added ToolbarButton widget. Used in the Navigation widget.
Merge branch 'ProjectScreen' of https://github.com/e-ucm/ead into ProjectScreen