AppImage: Add svg icon engine

10 jobs from master in 9 minutes and 25 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #1750
clazy

00:01:09

passed #1751
qmllint

00:01:02

 
  Build
passed #1755
archlinux

00:01:17

passed #1754
debian-sid

00:01:47

passed #1753
neon-bionic

00:01:10

passed #1758
ubuntu-trusty

00:01:24

passed #1752
ubuntu-trusty

00:01:45

 
  Deploy
passed #1757
click-xenial

00:02:09

passed #1827
linux-appimage

00:02:32

failed #1756
linux-appimage

00:01:40