Backport to bottle 0.10.x

This usage works in both bottle 0.10.x and 0.12.x
Bump version number
Merge branch 'master' into debian
New upstream release
Revert "Backport to bottle 0.10.x"

This reverts commit b4c8ba7cedf2135bbbd0767cd7fe4abca1abde40.

Several other things require the API of bottle 0.12.x, so it seems to be
easier to just backport bottle than to fix mailman-api
Force python2.7
init: run as the same user as mailman
Bump version number
Merge branch 'master' into debian
now packaging 0.2.9