[openFATE 311419] Add support WebP

Feature changed by: Genix Info (genixinfo) Feature #311419, revision 2 Title: Add support WebP openSUSE Distribution: Unconfirmed Priority Requester: Important Requested by: Genix Info (genixinfo) Partner organization: openSUSE.org Description: About WebP: http://en.wikipedia.org/wiki/WebP http://code.google.com/intl/pt-BR/speed/webp/ + As was done with WebM: + https://features.opensuse.org/309589 -- openSUSE Feature: https://features.opensuse.org/311419