add hint to use pngcrush
authorFelix Kästner <git@fpunktk.de>
Tue, 13 Oct 2015 19:13:00 +0000 (21:13 +0200)
committerFelix Kästner <git@fpunktk.de>
Tue, 13 Oct 2015 19:13:00 +0000 (21:13 +0200)

No differences found