tizen/gbs: https://gitorious.org/tizenbuildtools/gbs/activities

Zhang Qiang 3889243e4c bump to official version 0.21		10 vuotta sitten
..
.test-requires	727c6002b9 Added nose, mock and coverage to .test-requires	11 vuotta sitten
gbs.changes	8bd855ee37 Add Release notes for gbs 0.21	10 vuotta sitten
gbs.spec	3889243e4c bump to official version 0.21	10 vuotta sitten