kbibtex from home:aschnell:boost2 project

需要 openSUSE Tumbleweed ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:aschnell:boost2/openSUSE_Tumbleweed/home:aschnell:boost2.repo
zypper refresh
zypper install kbibtex