D21511: Make falkon icon a real SVG

[Nathaniel Graham]

ngraham added a reviewer: abetts.

REPOSITORY
  R266 Breeze Icons

REVISION DETAIL
  https://phabricator.kde.org/D21511

To: ndavis, #vdg, #falkon, abetts
Cc: kde-frameworks-devel, michaelh, ngraham, bruns