Merge branch 'master' into debian
Update control files and remove README.Debian to prepare for upload to unstable.
Update changelog for new split build
Release 0.6.6-1 to Debian unstable.
Update Standards-Version and bump build dependencies to the next ESR version.
Release 0.6.6-2 to Debian experimental.
Merge branch 'master' into debian
Update build dependencies to the current versions of icedove, iceweasel in experimental.
Adapt package to Precise Pangolin.