Summary:
This Patch brings the following fixes:

   *  Now It shows proper release data.
   *  Now showing proper size.
   *  added a default icon for updates (device-notifier)
   *  fixes some end-case

Reviewers: apol, davidedmundson

Reviewed By: apol

Subscribers: ngraham, plasma-devel

Tags: #plasma, #discover_software_store

Differential Revision: https://phabricator.kde.org/D14649