Imported Upstream version 2.2
Merge tag 'upstream/2.2'

Upstream version 2.2

* tag 'upstream/2.2':
  Imported Upstream version 2.2
Add debian/gbp.conf
Use xvfb-run to setup test environment

Closes: #746099
Add ChangZhuo Chen (陳昌倬) as uploader
Set libexecdir as ibus packages

Closes: #746978
Thanks: Osamu Aoki
ibus-cangjie (2.2-1) unstable; urgency=medium