add changelog for 0.13.2

update documentation for 0.13.1 release. up version to 0.13.1

set dry_run to False unless the environment contains 'dry'

up version to 0.12.16, add changelog for this version

make sdist-upload depend on sdist

document changes. up version to 0.12.14.

omit password in nslave, too

update README

up version to 0.12.11

up version to 0.12.10