linuxmint/mintinstall — pull request #73 by darealshinji (2014-08-10 11:30:58+00:00)
Title: move images to /usr/share

https://lintian.debian.org/tags/image-file-in-usr-lib.html
I left /usr/lib/linuxmint/mintInstall/icon.svg though, as it doesn't trigger a Lintian warning.