Fix git url for owncloud
Fix git url for owncloud

untitaker/vdirsyncer,credativUK/vdirsyncer,mathstuf/vdirsyncer,credativUK/vdirsyncer,mathstuf/vdirsyncer,untitaker/vdirsyncer,hobarrera/vdirsyncer,untitaker/vdirsyncer,tribut/vdirsyncer,tribut/vdirsyncer,hobarrera/vdirsyncer