D10500: Make the review pop-up a bit more user-friendly

[Nathaniel Graham]

ngraham added reviewers: apol, abetts.

REPOSITORY
  R134 Discover Software Store

REVISION DETAIL
  https://phabricator.kde.org/D10500

To: ngraham, #discover_software_store, apol, abetts
Cc: anemeth, plasma-devel, ZrenBot, progwolff, lesliezhai, ali-mohamed, 
jensreuterberg, abetts, sebas, apol, mart