0.5.0 rc (#436)

* fixes for release
* fix subscriptions view. change Latest First to Latest Only.
* fix channel subscription uri
* fix subscription notifications
* some iconography and label changes
* change sdk log level for release builds
* sort all subscriptions by newest first
* fix crash with Picasso thumbnail fetch operation
* add check for null / undefined filenames after stopping download
* update sdk to 0.32.3. fix download notification.

src/main/java/io/lbry/browser/reactmodules/UtilityModule.java

@@ -244,7 +244,7 @@ public class UtilityModule extends ReactContextBaseJavaModule {
                     protected Bitmap doInBackground(Void... params) {
                         try {
                             return Picasso.get().load(thumbnailUri).get();
-                        } catch (IOException e) {
+                        } catch (Exception e) {
                             return null;
                         }
                     }